1 00:00.800 --> 00:04.700 So yesterday we have seen the conditional split. 2 00:04.730 --> 00:07.220 Now see the looping concepts. 3 00:08.390 --> 00:13.310 So we have while loop is available in SQL server for looping purpose. 4 00:13.670 --> 00:22.820 So loops are used for loops are used to execute statements repeatedly repeatedly multiple times. 5 00:23.060 --> 00:30.380 So whenever you want to do some repeat operations multiple times at that time we are using the while 6 00:30.380 --> 00:32.930 loop right now. 7 00:32.960 --> 00:37.640 Normal syntax for a while loop is while condition. 8 00:37.670 --> 00:42.740 So over here we are checking the condition and it will be either. 9 00:44.870 --> 00:45.860 True or false. 10 00:45.860 --> 00:46.130 Right? 11 00:46.130 --> 00:48.290 It will be either true or false. 12 00:48.680 --> 00:49.850 If it is true. 13 00:49.880 --> 00:53.270 If it is true, then it will enter into the begin statement. 14 00:53.270 --> 00:58.010 Begin block and it will run all the statement which is reside inside. 15 00:58.430 --> 01:00.780 Begin block and then end. 16 01:00.810 --> 01:03.360 We have to write because we have written over here. 17 01:03.390 --> 01:04.170 Begin. 18 01:04.260 --> 01:10.470 So whenever we have write begin, we have to specify respective end. 19 01:12.930 --> 01:15.660 And for every begin write. 20 01:16.290 --> 01:20.580 So this is how while loop is uh syntax is there. 21 01:21.090 --> 01:24.300 Now the condition should result in true or false. 22 01:24.300 --> 01:24.930 Right. 23 01:25.320 --> 01:30.630 And if the condition is true, the loop continues. 24 01:31.080 --> 01:34.560 And if the condition is false, then loop terminates. 25 01:34.590 --> 01:40.260 So now if the if this condition is false now it will not enter into this begin block. 26 01:40.260 --> 01:44.340 It will directly go outside this end block. 27 01:44.340 --> 01:48.360 If the condition is false, it will not run any statement right. 28 01:49.110 --> 01:51.780 Now simple example of loop. 29 01:51.780 --> 01:57.360 We can say we have to print something multiple times, right? 30 01:57.390 --> 02:00.270 If we want to print something multiple times. 31 02:00.270 --> 02:07.830 So ideally, if if we do not know the concept of loop then what we have to do. 32 02:07.860 --> 02:09.570 We are writing like this. 33 02:09.570 --> 02:10.380 Hello. 34 02:13.470 --> 02:14.250 Hello world. 35 02:14.250 --> 02:15.000 Hello world. 36 02:19.350 --> 02:21.810 1010 times we are writing, right? 37 02:21.900 --> 02:24.930 Ten times we are writing hello world, hello world. 38 02:24.960 --> 02:28.080 If we do not know the concept of loop. 39 02:28.140 --> 02:30.600 So ideally this is a wrong thing, right? 40 02:30.600 --> 02:32.460 This is a wrong thing. 41 02:32.580 --> 02:42.120 So to print the same result, what we are doing over here see for the loop purpose we need to declare 42 02:42.120 --> 02:43.380 some variable right? 43 02:44.700 --> 02:48.810 So here we have declared the variable count as integer. 44 02:50.250 --> 02:53.580 This if you specify here as then also fine. 45 02:53.610 --> 03:00.730 If you do not specify s, then also fine Now this loop will be starting from one. 46 03:01.900 --> 03:04.870 We want to start a loop from one, right. 47 03:04.960 --> 03:06.040 So it will. 48 03:06.490 --> 03:07.720 We have initiated. 49 03:07.720 --> 03:09.280 So this is known as. 50 03:12.070 --> 03:18.640 Any serialization of a variable. 51 03:18.910 --> 03:20.680 Initialization of a variable. 52 03:20.710 --> 03:21.280 Right. 53 03:23.620 --> 03:29.230 At the same time we have declared the variable. 54 03:29.260 --> 03:29.590 Right. 55 03:29.590 --> 03:31.960 At the same time we have declared the variable. 56 03:34.690 --> 03:41.020 Or if we do not do like this then what we can do we can set the variable value like this. 57 03:41.020 --> 03:41.560 Right. 58 03:41.830 --> 03:45.850 Set it count equal to one. 59 03:47.200 --> 03:48.940 This is also another way right? 60 03:48.940 --> 03:50.950 This is also one another way. 61 03:53.560 --> 03:59.950 So let me Now over here, we this is our looping condition. 62 03:59.950 --> 04:07.900 Or we can say that exit condition, when this particular loop will exit, when this particular loop 63 04:07.900 --> 04:13.690 will exist, when count accurate, count less than equal to ten. 64 04:14.320 --> 04:16.600 When accurate count less than equal to ten. 65 04:16.630 --> 04:18.700 At that time it will exit this condition. 66 04:18.700 --> 04:22.330 Right now we have declared the begin statement. 67 04:22.330 --> 04:24.670 Begin inside the begin. 68 04:24.670 --> 04:26.440 We are just printing hello world! 69 04:27.430 --> 04:32.170 But now suppose if we are, do not writing this condition. 70 04:32.200 --> 04:35.110 Now, what will happen if we are? 71 04:35.140 --> 04:36.490 Do not write this condition. 72 04:36.490 --> 04:37.360 Then what will happen? 73 04:37.390 --> 04:37.960 See? 74 04:43.570 --> 04:45.610 It is executing query exit. 75 04:45.610 --> 04:52.030 It is showing us as executing query but not displaying any output. 76 04:52.090 --> 05:01.940 Why Because this one will be always less than or equal to ten, right? 77 05:01.970 --> 05:04.850 One will be always less than or equal to ten. 78 05:05.390 --> 05:07.880 We are not incrementing the value of one. 79 05:07.880 --> 05:08.180 Right? 80 05:08.210 --> 05:11.510 123456789 ten. 81 05:11.750 --> 05:15.200 So this condition will always be true. 82 05:17.900 --> 05:19.700 Let me stop the query. 83 05:21.080 --> 05:28.340 In this case, this condition will always true. 84 05:28.340 --> 05:38.000 And that is why it is not going to be exit. 85 05:38.000 --> 05:38.270 Right. 86 05:38.300 --> 05:40.160 It is not going to be exit. 87 05:40.550 --> 05:44.180 So now we have to increment the value of one. 88 05:44.330 --> 05:50.600 First time we have to mention one then 23456789 ten. 89 05:52.310 --> 05:59.580 Now Using this set keyword, we are incrementing the value at the rate count equal to count plus one. 90 05:59.610 --> 06:03.030 So at first iteration it will be the value of one. 91 06:03.930 --> 06:04.590 Right? 92 06:04.620 --> 06:07.290 At first iteration it will be the value of one. 93 06:07.650 --> 06:10.560 Then second iteration 234. 94 06:10.740 --> 06:12.750 It will print like this. 95 06:13.290 --> 06:16.410 And when it is ten so ten less than equal to ten. 96 06:16.410 --> 06:17.130 True. 97 06:17.700 --> 06:18.450 Right. 98 06:18.450 --> 06:24.480 So ten times 123456789 1010 times it will print. 99 06:24.510 --> 06:26.820 Hello world, hello world, hello world hello world. 100 06:33.630 --> 06:34.590 Right. 101 06:37.050 --> 06:40.530 When, when it will increment the value of 11. 102 06:40.530 --> 06:41.340 So 11. 103 06:41.340 --> 06:42.990 When when it is a ten. 104 06:42.990 --> 06:43.920 Over here. 105 06:45.270 --> 06:46.860 Sorry ten over here. 106 06:46.860 --> 06:49.740 And it will increment the value to ten plus one. 107 06:49.740 --> 06:51.780 So when 11 is come over here. 108 06:51.810 --> 06:54.000 So 11 less than or equal to ten. 109 06:54.150 --> 06:55.500 It is false, right? 110 06:55.500 --> 06:56.640 It is false. 111 06:56.700 --> 06:59.460 So at that time it will not print hello world. 112 06:59.460 --> 07:00.840 It will not print hello world. 113 07:00.840 --> 07:02.760 And it is exit the condition. 114 07:05.640 --> 07:06.690 Right. 115 07:09.840 --> 07:13.410 Now let us see one more thing. 116 07:15.000 --> 07:16.050 Ensure. 117 07:22.320 --> 07:28.350 Ensure to mention a statement which can cause condition to become false. 118 07:28.860 --> 07:32.070 So this is that particular statement. 119 07:35.310 --> 07:42.330 As per your requirement, if your if condition never becomes false, then it will become an infinite 120 07:42.360 --> 07:42.990 loop. 121 07:43.020 --> 07:50.100 So if we do not specify this condition then it will become what it will become infinite loop and it 122 07:50.100 --> 07:51.910 will never going to be end. 123 07:52.780 --> 07:56.800 It will never going to be end if we do not specify this condition. 124 07:56.800 --> 08:01.600 This condition in loop will never terminate, right? 125 08:01.690 --> 08:03.970 Loop will never terminate. 126 08:05.470 --> 08:12.340 Write a program to print the numbers one, 23456789 ten. 127 08:14.350 --> 08:17.050 This time we are going to print the numbers, right? 128 08:17.080 --> 08:19.540 This time we are going to print the numbers. 129 08:19.750 --> 08:27.520 So now this is at the rate I equal to one while I less than equal to ten. 130 08:27.550 --> 08:30.010 So this is the exit condition right. 131 08:34.240 --> 08:35.680 Begin print I. 132 08:35.890 --> 08:39.340 Now we have to increment the value also for this I right. 133 08:39.370 --> 08:41.770 First time one we have to print. 134 08:41.800 --> 08:43.810 Second time two we have to print. 135 08:43.840 --> 08:47.710 Third time three we have to print like this. 136 08:47.710 --> 08:51.590 So 6789 ten C. 137 08:54.710 --> 08:56.150 So what will happen initially? 138 08:56.180 --> 08:57.080 Initially it will. 139 08:57.110 --> 08:58.280 You have one right. 140 08:58.340 --> 09:01.700 So it will come over here one less than equal to ten. 141 09:01.730 --> 09:02.570 True. 142 09:02.630 --> 09:04.250 It will print one. 143 09:10.820 --> 09:12.710 It will print one right. 144 09:12.740 --> 09:14.210 It will print one. 145 09:14.240 --> 09:24.110 Now it will set the value of one equal to one plus one. 146 09:25.490 --> 09:30.050 So at the rate I equal to iterate I equal to one plus one. 147 09:30.050 --> 09:32.480 So it will become two right. 148 09:32.480 --> 09:34.250 It will become two next time. 149 09:35.150 --> 09:42.200 Then third time it will be over here two now two less than equal to ten. 150 09:42.200 --> 09:43.040 True. 151 09:43.460 --> 09:45.590 So two plus one. 152 09:45.590 --> 09:50.270 It will become three when it arrives to ten. 153 09:50.270 --> 09:52.130 So ten less than equal to ten. 154 09:52.130 --> 09:52.940 True. 155 09:56.300 --> 09:58.100 So it will print ten over here. 156 09:58.100 --> 09:58.700 Right. 157 09:58.940 --> 10:01.580 But when it will do ten plus 111. 158 10:01.580 --> 10:03.830 So 11 less than equal to ten. 159 10:03.830 --> 10:04.580 No. 160 10:05.990 --> 10:09.980 This condition 11 less than equal to ten. 161 10:09.980 --> 10:10.790 False. 162 10:13.610 --> 10:15.020 It will exit the loop. 163 10:15.020 --> 10:15.590 Right. 164 10:17.030 --> 10:18.530 It will exit the loop. 165 10:18.530 --> 10:20.120 And do not print anything. 166 10:20.150 --> 10:21.410 Do not print anything. 167 10:21.440 --> 10:22.040 Right. 168 10:26.360 --> 10:28.130 Now let's see one more example. 169 10:28.160 --> 10:31.460 Write a program to print one, 2345. 170 10:31.790 --> 10:38.060 See over here what we have written 123456 is missing right? 171 10:38.090 --> 10:39.890 Six is missing. 172 10:39.920 --> 10:41.750 Seven, eight, nine, ten. 173 10:43.550 --> 10:45.920 So for that purpose we have to write. 174 10:45.950 --> 10:48.330 We have to use continue your statement. 175 10:48.360 --> 10:50.040 What will you do? 176 10:50.070 --> 10:57.420 This statement is used to skip current iteration or skip the statements mentioned after the continue 177 10:57.450 --> 10:59.280 for the current iteration. 178 11:03.480 --> 11:04.290 Wrong. 179 11:04.320 --> 11:05.220 Infinite loop. 180 11:05.250 --> 11:09.780 Okay, so now see how this is going to be infinite loop. 181 11:09.780 --> 11:14.850 See over here 12345. 182 11:15.690 --> 11:17.910 But after that nothing is printed. 183 11:17.940 --> 11:18.600 See. 184 11:20.370 --> 11:21.990 After that nothing is printed. 185 11:21.990 --> 11:23.490 So what is the issue over here? 186 11:23.520 --> 11:26.730 Let me explain. 187 11:26.730 --> 11:31.350 It is initially starting with one one less than equal to ten. 188 11:31.380 --> 11:31.770 True. 189 11:31.800 --> 11:32.430 Right. 190 11:33.390 --> 11:38.250 So begin if iterate I equal to six. 191 11:38.250 --> 11:47.190 So over here what is the value of I at the rate I equal to one. 192 11:47.220 --> 11:48.720 It is a false right. 193 11:48.720 --> 11:51.270 So print print one. 194 11:51.270 --> 11:52.860 So it will print one. 195 11:54.360 --> 11:58.530 Now it will going to be increase one plus one two. 196 11:59.820 --> 12:01.740 So now two less than equal to ten. 197 12:01.740 --> 12:02.580 True. 198 12:02.580 --> 12:07.800 So now at rate I value will be two. 199 12:10.440 --> 12:12.090 So two equal to six. 200 12:12.090 --> 12:13.320 No no. 201 12:13.320 --> 12:15.750 So it will not continue. 202 12:15.780 --> 12:17.250 It will directly print. 203 12:19.980 --> 12:22.260 It will directly print at the rate I. 204 12:22.290 --> 12:24.510 So it will print two. 205 12:27.600 --> 12:28.710 Then same. 206 12:35.940 --> 12:36.990 One minute. 207 12:47.170 --> 12:48.670 Okay, now let's see. 208 12:48.670 --> 12:53.710 Uh, over here, it will be print two right now. 209 12:53.740 --> 12:54.790 Same for three. 210 12:54.820 --> 12:55.810 Four now. 211 12:55.810 --> 12:56.560 Five. 212 12:56.650 --> 12:58.660 So when five will come. 213 12:59.020 --> 13:01.810 Three, four, five. 214 13:01.840 --> 13:02.950 Less than equal to ten. 215 13:02.950 --> 13:03.340 True. 216 13:03.370 --> 13:04.030 Right. 217 13:04.450 --> 13:05.620 Now begin. 218 13:05.620 --> 13:07.030 If five equal to six. 219 13:07.030 --> 13:07.840 False. 220 13:07.840 --> 13:12.820 So now at the rate I equal to five it will false. 221 13:13.150 --> 13:17.350 So it will print five it will print five. 222 13:18.010 --> 13:22.540 Now when six will come what will happen now. 223 13:22.570 --> 13:24.910 Five plus one over here. 224 13:25.270 --> 13:27.400 Five plus one. 225 13:27.400 --> 13:28.450 It is six. 226 13:28.510 --> 13:31.630 So this value will become now six. 227 13:32.440 --> 13:33.010 Six. 228 13:33.010 --> 13:34.300 Less than equal to ten. 229 13:34.300 --> 13:34.960 Right. 230 13:34.990 --> 13:35.830 Correct. 231 13:35.920 --> 13:39.310 Now begin if six equal to six. 232 13:39.310 --> 13:43.870 So over here six equal to six. 233 13:44.240 --> 13:45.110 Correct. 234 13:45.140 --> 13:45.500 Right. 235 13:45.530 --> 13:46.250 True. 236 13:46.700 --> 13:48.350 Now what will happen? 237 13:49.250 --> 13:50.570 Continue. 238 13:51.530 --> 14:00.230 So now this statement is used to skip the current iteration, or to skip the statements mentioned after 239 14:00.230 --> 14:02.930 the continue for the current iteration. 240 14:03.560 --> 14:07.010 So it will not execute all of this statement. 241 14:07.040 --> 14:10.130 It will skip all of these statements. 242 14:11.240 --> 14:14.120 So it is never going to increase this value. 243 14:14.150 --> 14:16.940 It is never going to be increase this value. 244 14:16.970 --> 14:18.860 Six plus one. 245 14:18.860 --> 14:20.330 It will never happen. 246 14:22.250 --> 14:24.680 So always it will be. 247 14:26.720 --> 14:27.980 Six only. 248 14:27.980 --> 14:28.670 Right. 249 14:29.000 --> 14:31.070 Always six equal to six. 250 14:31.070 --> 14:31.580 Always. 251 14:31.580 --> 14:33.170 This condition will be true. 252 14:33.320 --> 14:36.350 And it will never run this statement. 253 14:36.350 --> 14:42.080 And it will never exit this loop because it is not going to be seven over here. 254 14:42.740 --> 14:45.110 It is not going to be seven over here. 255 14:45.110 --> 14:47.630 So it is never exit this loop. 256 14:48.200 --> 14:50.870 That is why this is infinite loop. 257 14:52.940 --> 14:55.280 That is why this is infinite loop. 258 14:57.680 --> 15:00.140 Now let me know if you have any question. 259 15:00.140 --> 15:01.310 One minute. 260 15:13.940 --> 15:14.240 Okay. 261 15:14.240 --> 15:14.540 Yeah. 262 15:14.570 --> 15:16.880 Now you can ask any question if you have. 263 15:21.230 --> 15:22.700 See over here. 264 15:22.700 --> 15:23.900 This is infinite loop. 265 15:23.900 --> 15:26.570 This is never going to what will happen. 266 15:27.050 --> 15:27.920 Okay 267 15:45.600 --> 15:47.040 And this red button. 268 15:47.040 --> 15:48.150 We have to stop. 269 15:49.230 --> 15:50.790 Cancel execution. 270 15:50.820 --> 15:51.720 Executing query. 271 15:51.750 --> 15:54.300 We have to click this button so it will stop. 272 15:59.580 --> 16:01.920 Now what is the. 273 16:01.950 --> 16:02.220 Sorry. 274 16:02.250 --> 16:03.210 Can you say it again? 275 16:03.240 --> 16:03.720 I'm sorry. 276 16:03.750 --> 16:04.560 Can you say it again? 277 16:04.590 --> 16:06.360 One which you told a minute back. 278 16:08.250 --> 16:09.060 Yes. 279 16:09.240 --> 16:09.780 This. 280 16:09.780 --> 16:10.680 This red button. 281 16:10.680 --> 16:11.550 Red button. 282 16:11.550 --> 16:13.530 Cancel executing query. 283 16:18.990 --> 16:19.800 We have to click. 284 16:19.830 --> 16:20.220 Got it. 285 16:20.460 --> 16:21.840 Krishna also told the same. 286 16:21.840 --> 16:22.650 Thank you so much. 287 16:22.680 --> 16:23.670 Thanks, Krishna. 288 16:26.190 --> 16:28.950 Now what is the correct solution for this one? 289 16:28.980 --> 16:31.200 See now the. 290 16:32.010 --> 16:36.090 We want to do not want to print only six. 291 16:36.450 --> 16:38.880 Apart from everything we want to print, right? 292 16:38.910 --> 16:39.210 One. 293 16:39.210 --> 16:39.390 Two. 294 16:39.420 --> 16:39.630 Three. 295 16:39.660 --> 16:39.900 Four. 296 16:39.930 --> 16:40.290 Five. 297 16:40.290 --> 16:40.650 Seven. 298 16:40.680 --> 16:40.890 Eight. 299 16:40.890 --> 16:44.910 789 ten 12345. 300 16:44.940 --> 16:45.150 Seven. 301 16:45.180 --> 16:45.300 Eight. 302 16:45.330 --> 16:45.570 Nine. 303 16:45.570 --> 16:46.110 Ten. 304 16:46.140 --> 16:48.660 So for this purpose, see what? 305 16:49.380 --> 16:50.820 This is a solution. 306 16:50.970 --> 16:53.640 Now over here it will start with zero. 307 16:54.240 --> 16:56.370 Over here it will start with zero. 308 16:56.400 --> 16:58.560 So firstly it will be zero right. 309 16:58.590 --> 16:59.880 It will be zero. 310 17:00.450 --> 17:01.230 Now zero. 311 17:01.230 --> 17:02.070 Less than ten. 312 17:02.070 --> 17:02.880 True. 313 17:03.660 --> 17:04.740 So begin. 314 17:06.120 --> 17:10.560 Now set it I equal to I plus one. 315 17:11.130 --> 17:12.900 So what will happen over here? 316 17:14.400 --> 17:16.590 Zero zero. 317 17:16.590 --> 17:20.700 Equal to zero plus one. 318 17:20.700 --> 17:22.260 So it will become one. 319 17:23.370 --> 17:26.010 Now one is equal to six. 320 17:26.430 --> 17:27.600 False. 321 17:28.110 --> 17:30.150 So it will go to the begin. 322 17:32.130 --> 17:34.470 And it will not execute this one. 323 17:34.470 --> 17:37.350 It will directly come over here print at the rate I. 324 17:38.100 --> 17:38.640 So what. 325 17:38.640 --> 17:40.820 It will print it will print. 326 17:42.740 --> 17:44.270 It will print one. 327 17:45.020 --> 17:46.520 It will print one. 328 17:46.550 --> 17:49.760 Now again it will come over here. 329 17:51.110 --> 17:52.970 One less than equal to ten. 330 17:53.000 --> 17:53.810 True. 331 17:55.190 --> 17:58.640 Now it will do what it will do. 332 17:58.670 --> 18:02.600 One equal to one plus one. 333 18:03.200 --> 18:04.880 So it will become two. 334 18:05.540 --> 18:08.240 Now it will check two equal to six. 335 18:08.270 --> 18:11.750 No, it will not going to be continue. 336 18:11.780 --> 18:16.160 It will end this statement and it will print what it will print. 337 18:16.190 --> 18:18.680 It will print two. 338 18:20.510 --> 18:22.430 Now when five will come. 339 18:22.460 --> 18:22.820 Same. 340 18:22.820 --> 18:23.090 Four. 341 18:23.090 --> 18:23.330 Three. 342 18:23.360 --> 18:23.720 Four. 343 18:23.750 --> 18:25.940 Now let's when five will come. 344 18:26.390 --> 18:28.880 So five less than equal to ten. 345 18:29.570 --> 18:30.470 True. 346 18:31.190 --> 18:33.410 Now what will happen over here? 347 18:33.680 --> 18:34.370 Five. 348 18:34.400 --> 18:37.010 Equal to five plus one. 349 18:37.220 --> 18:38.450 Six. 350 18:38.480 --> 18:38.960 Right? 351 18:38.990 --> 18:39.890 Six. 352 18:40.460 --> 18:41.600 Now see? 353 18:42.080 --> 18:42.710 Six. 354 18:42.710 --> 18:43.190 Equal to. 355 18:43.220 --> 18:43.970 Six. 356 18:45.140 --> 18:46.100 True. 357 18:46.670 --> 18:48.860 It will go over here. 358 18:48.860 --> 18:49.610 Begin. 359 18:49.700 --> 18:51.380 It will continue. 360 18:51.890 --> 18:53.510 Continue means what? 361 18:53.540 --> 18:56.090 It will skip all this statement. 362 18:56.120 --> 18:58.220 It will skip all this statement. 363 18:58.250 --> 19:00.260 It will not print six. 364 19:00.890 --> 19:03.410 It will not print six. 365 19:04.340 --> 19:06.920 Now again it will come over here. 366 19:07.070 --> 19:09.560 What is the value of edit I. 367 19:11.180 --> 19:11.930 Edit I. 368 19:11.960 --> 19:13.970 Value is now six. 369 19:15.260 --> 19:16.040 Edit I. 370 19:16.070 --> 19:17.120 Value is now six. 371 19:17.120 --> 19:17.840 So six. 372 19:17.840 --> 19:18.590 Less than ten. 373 19:18.590 --> 19:19.310 True. 374 19:19.940 --> 19:21.740 Now what will happen over here? 375 19:21.770 --> 19:23.000 Six. 376 19:23.000 --> 19:26.720 Equal to six plus one seven. 377 19:28.610 --> 19:30.440 So it will check seven. 378 19:30.440 --> 19:31.310 Equal to six. 379 19:31.310 --> 19:32.180 No. 380 19:33.230 --> 19:36.050 It will print seven. 381 19:38.060 --> 19:39.500 Five is printed. 382 19:39.530 --> 19:40.910 Six is not printed. 383 19:40.940 --> 19:42.530 Now it will print seven. 384 19:45.020 --> 19:46.580 Six is not printed. 385 19:46.580 --> 19:47.150 Right? 386 19:47.180 --> 19:49.160 Now same for eight, nine, ten. 387 19:49.190 --> 19:50.120 When it will come? 388 19:50.540 --> 19:51.200 Nine. 389 19:51.380 --> 19:53.480 What it will do nine. 390 19:53.510 --> 19:54.470 Less than ten. 391 19:54.470 --> 19:55.190 True. 392 19:55.820 --> 19:56.600 Then nine. 393 19:56.600 --> 19:57.620 Equal to nine. 394 19:57.620 --> 20:00.020 Equal to nine plus one. 395 20:00.080 --> 20:01.010 Ten. 396 20:01.310 --> 20:01.820 Ten. 397 20:01.820 --> 20:02.600 Equal to six. 398 20:02.600 --> 20:03.530 False. 399 20:03.950 --> 20:07.100 It will print ten. 400 20:08.180 --> 20:08.690 Sorry. 401 20:08.720 --> 20:12.140 Eight, nine and ten. 402 20:13.310 --> 20:14.150 Now ten. 403 20:14.150 --> 20:14.930 Less than ten. 404 20:14.960 --> 20:15.740 False. 405 20:15.740 --> 20:18.110 So it will not enter over here. 406 20:19.580 --> 20:23.270 So when I execute this one see what will happen. 407 20:25.520 --> 20:26.900 Oh my God 408 20:44.220 --> 20:45.810 Now see what will happen. 409 20:45.810 --> 20:51.900 123456789 410 20:51.900 --> 20:52.650 ten. 411 20:57.090 --> 21:01.080 You have to understand the use of continuum. 412 21:02.370 --> 21:04.980 You have to understand the use of continue. 413 21:06.840 --> 21:08.580 That is main over here. 414 21:09.210 --> 21:12.390 Now let's move forward. 415 21:15.570 --> 21:17.400 Now same for continue. 416 21:17.430 --> 21:19.200 We have a break statement as well. 417 21:19.230 --> 21:20.280 Same for continue. 418 21:20.310 --> 21:22.080 We have a break statement as well. 419 21:22.470 --> 21:27.540 This statement is used to get out of the loop as per our requirement. 420 21:27.930 --> 21:33.540 This statement exits the while loop immediately when break statement is encountered. 421 21:34.110 --> 21:36.720 Get out of the loop after five. 422 21:37.260 --> 21:39.540 Get out of the loop after five. 423 21:39.570 --> 21:42.390 So see over here what will happen? 424 21:43.380 --> 21:44.130 How much? 425 21:44.130 --> 21:45.420 I will explain you later. 426 21:45.450 --> 21:45.930 See? 427 21:45.960 --> 21:47.730 12345. 428 21:47.760 --> 21:50.040 Only 12345 is printed. 429 21:50.460 --> 21:56.430 Now let understand what is the value of Ethernet I initially it is one right? 430 21:57.510 --> 21:58.920 Initially it is one. 431 21:59.700 --> 22:03.480 This condition is true print I. 432 22:03.510 --> 22:05.190 So it will print one. 433 22:06.840 --> 22:10.080 It will print one one equal to five. 434 22:10.110 --> 22:10.830 No. 435 22:10.830 --> 22:11.760 Begin. 436 22:13.230 --> 22:15.000 This will not happen over here. 437 22:15.000 --> 22:16.140 It will set. 438 22:16.530 --> 22:19.800 Set the value of one equal to one plus one. 439 22:19.800 --> 22:21.030 It will become two. 440 22:22.320 --> 22:25.020 It it I will become two now. 441 22:25.050 --> 22:26.790 Two less than equal to ten. 442 22:27.360 --> 22:29.010 Two less than equal to ten. 443 22:29.520 --> 22:30.360 True. 444 22:30.390 --> 22:34.630 So it will print at the rate two it will print two. 445 22:35.500 --> 22:38.290 Now same for three. 446 22:38.320 --> 22:38.890 Four. 447 22:38.920 --> 22:41.470 Now, when five will arrive. 448 22:43.150 --> 22:44.050 So five. 449 22:44.080 --> 22:45.520 Less than equal to ten. 450 22:45.550 --> 22:46.360 True. 451 22:47.650 --> 22:49.360 It will print five. 452 22:49.390 --> 22:50.800 It will print five. 453 22:52.570 --> 22:54.070 Now it will check five. 454 22:54.100 --> 22:55.210 Equal to five. 455 22:56.080 --> 22:58.390 Yes, it will print five. 456 22:58.420 --> 22:59.410 Equal to five. 457 22:59.650 --> 23:00.400 Yes. 458 23:00.400 --> 23:01.720 So it will break. 459 23:01.960 --> 23:04.480 It will automatically exit the loop. 460 23:05.020 --> 23:06.700 It will never increment. 461 23:07.630 --> 23:09.730 It will never increment five plus one. 462 23:09.730 --> 23:11.620 It will never increment right. 463 23:12.310 --> 23:16.840 Break statement is used to get out of the loop as per our requirement. 464 23:16.870 --> 23:20.530 So when it is a five it will getting out of the loop. 465 23:22.630 --> 23:27.370 This statement exits the while loop immediately when the break statement is encountered. 466 23:28.300 --> 23:30.490 So it will print 12345. 467 23:30.520 --> 23:31.240 Only 468 23:35.060 --> 23:42.890 Okay, I'm writing actually this thing every time it will print one, two, three, four, five only. 469 23:44.780 --> 23:45.620 See? 470 23:47.960 --> 23:52.100 You have to understand the use of continue and break statement. 471 23:56.600 --> 23:59.330 Now, the interesting thing will come. 472 24:00.830 --> 24:02.720 Let me show you. 473 24:02.750 --> 24:09.080 Write a program to input a string and print the following pattern. 474 24:10.250 --> 24:19.250 What I want to input Harshit and my output will be h a r s h I t like this. 475 24:24.230 --> 24:26.060 H a r s h I t. 476 24:26.090 --> 24:26.690 Right. 477 24:28.970 --> 24:35.930 Now, understand the thing We have to store this value into some variable, right? 478 24:36.140 --> 24:36.950 We have to. 479 24:36.980 --> 24:39.920 Store this value into some variable. 480 24:39.920 --> 24:43.550 So for that purpose I have declared at the rate s. 481 24:45.890 --> 24:51.950 Declare at the rate s equal to where care worker of 20. 482 24:52.400 --> 24:53.720 Worker of 20. 483 24:53.720 --> 24:55.850 And now I have to increment the. 484 24:56.510 --> 24:59.570 At first iteration I want to print h. 485 25:00.620 --> 25:03.440 In second iteration I want to print a. 486 25:03.740 --> 25:11.450 So I, I want to increase increment the value of iteration. 487 25:11.450 --> 25:14.360 Right 1234567. 488 25:14.390 --> 25:15.050 Right. 489 25:15.440 --> 25:20.720 So for that purpose I have declared this variable at the rate x integer equal to one. 490 25:23.180 --> 25:27.500 Now we have set the value of x with harshit right 491 25:30.780 --> 25:33.810 We have set the value of a set S equal to one. 492 25:34.710 --> 25:38.370 Now I have to specify some exit condition. 493 25:40.680 --> 25:44.940 I want to actually let me write like this. 494 25:51.180 --> 25:53.760 When the loop is going to be exit. 495 25:55.200 --> 26:01.470 So over here when the loop is going to be exit while at that x value. 496 26:01.560 --> 26:09.120 Why this iterate x value is less than equal to length of this harshit. 497 26:09.510 --> 26:11.460 What is the length of this Harshit. 498 26:11.490 --> 26:16.890 Select length of Harshit. 499 26:17.490 --> 26:21.810 What is the length of this particular string? 500 26:22.110 --> 26:24.630 See over here our length is seven. 501 26:25.920 --> 26:27.510 Harshit length is seven. 502 26:27.540 --> 26:29.190 So what is this? 503 26:29.200 --> 26:32.290 Ideally, it will be over here. 504 26:32.290 --> 26:33.100 Seven. 505 26:33.910 --> 26:34.690 Over here. 506 26:34.690 --> 26:35.410 Seven. 507 26:37.660 --> 26:39.250 But this seven. 508 26:39.250 --> 26:40.450 We do not want to. 509 26:40.480 --> 26:41.260 Static value. 510 26:41.290 --> 26:41.920 Right. 511 26:43.120 --> 26:44.470 What if tomorrow. 512 26:44.470 --> 26:45.190 Over here. 513 26:45.190 --> 26:47.110 Some someone like this. 514 26:48.760 --> 26:52.060 Then this value will be become five. 515 26:52.090 --> 26:52.450 Right? 516 26:52.450 --> 26:54.280 This value will become five. 517 26:54.670 --> 27:00.280 So we cannot keep the value of s variable as static, right? 518 27:00.280 --> 27:04.930 We cannot keep the value of exit condition as static. 519 27:05.410 --> 27:08.200 And that is why we have mentioned over here. 520 27:10.510 --> 27:13.960 Length of Athreat s. 521 27:13.990 --> 27:15.220 Now begin. 522 27:17.350 --> 27:18.700 Now begin. 523 27:19.540 --> 27:22.870 Now understand thing over here. 524 27:22.870 --> 27:27.220 If we print over here at the rate x 525 27:31.690 --> 27:33.790 Print edit. 526 27:46.570 --> 27:53.350 See, I have printed only at the rate s, so it is printing over here. 527 27:54.850 --> 27:56.410 It is printing over here. 528 27:56.440 --> 27:56.830 Hershey. 529 27:56.860 --> 27:57.130 Hershey. 530 27:57.130 --> 27:58.570 Thursday seven times. 531 27:59.170 --> 28:01.000 But I don't want this write. 532 28:01.000 --> 28:04.090 I don't want this at first iteration. 533 28:04.090 --> 28:08.680 I want, I want at first iteration I want. 534 28:11.050 --> 28:12.430 I want h. 535 28:14.800 --> 28:18.760 At first iteration I want H. 536 28:19.120 --> 28:23.890 Second iteration I want a third time I want r. 537 28:24.790 --> 28:31.520 Fourth time I want s So now for that purpose I can print like this, right? 538 28:31.520 --> 28:33.050 I can print like this. 539 28:33.500 --> 28:36.230 I have to use substring function. 540 28:37.010 --> 28:40.640 I have to use substring function in the substring function. 541 28:43.340 --> 28:44.240 What is. 542 28:44.270 --> 28:50.120 What is the string I want to search in which string I want to search right? 543 28:51.680 --> 28:54.290 What will substring will retrieve? 544 28:54.320 --> 28:57.740 See if I mention like this. 545 28:58.460 --> 28:59.630 Substring. 546 29:02.540 --> 29:05.240 Substring of first comma one. 547 29:05.240 --> 29:06.230 Comma one. 548 29:15.680 --> 29:19.820 So see over here H is printed right H is printed. 549 29:22.520 --> 29:26.450 Now I want to print a. 550 29:27.020 --> 29:29.030 Now I want to print a. 551 29:29.180 --> 29:31.610 So now what change I have to do over here. 552 29:31.610 --> 29:32.780 I have to do over here. 553 29:32.780 --> 29:35.330 Two two comma one. 554 29:35.330 --> 29:37.850 So it will give me one character. 555 29:37.850 --> 29:39.950 Starting position will be two. 556 29:40.550 --> 29:42.320 Now see what it will give me. 557 29:42.350 --> 29:43.520 It will give me a. 558 29:45.980 --> 29:50.450 Now again see three comma one. 559 29:50.480 --> 29:52.100 It will give me r. 560 29:55.160 --> 29:56.540 It will give me r. 561 29:58.430 --> 29:59.870 So every time. 562 29:59.870 --> 30:03.080 What value is in incrementing over here. 563 30:03.110 --> 30:04.490 See the pattern. 564 30:04.730 --> 30:06.200 Understand the pattern. 565 30:06.200 --> 30:09.620 What value is incrementing over here. 566 30:09.650 --> 30:13.520 The incrementing value over here is a starting position. 567 30:15.110 --> 30:18.230 So this one is my starting position 568 30:30.210 --> 30:31.650 And this one is. 569 30:35.460 --> 30:37.470 Number of characters from. 570 30:43.050 --> 30:45.990 Number of characters from the starting position. 571 30:48.300 --> 30:51.780 So every time this value is going to be increased, right. 572 30:54.570 --> 30:57.240 Every time this value is going to be increased. 573 30:57.270 --> 30:57.930 Right. 574 30:58.470 --> 31:05.730 So for that purpose you have to simple thing right. 575 31:05.730 --> 31:08.400 You have to print over here at the red x. 576 31:10.260 --> 31:13.590 So at first iteration it will become one. 577 31:13.650 --> 31:19.770 Now at x equal to wave to increase at that rate x equal to x plus one every time. 578 31:20.220 --> 31:23.830 So see when I execute this query when I execute this query. 579 31:23.860 --> 31:24.520 What will happen? 580 31:24.550 --> 31:28.630 C h a r s h I t. 581 31:33.520 --> 31:34.540 H a r. 582 31:37.090 --> 31:37.900 S h I t. 583 31:37.930 --> 31:38.530 Right. 584 31:41.260 --> 31:43.990 So at first iteration, what will happen? 585 31:44.380 --> 31:46.090 This value is one. 586 31:46.330 --> 31:48.490 Now at the rate x. 587 31:48.490 --> 31:49.900 So what is address x. 588 31:49.930 --> 31:53.440 One one less than equal to seven. 589 31:53.470 --> 31:53.950 True. 590 31:53.950 --> 31:55.900 Right one less than one. 591 31:55.900 --> 31:56.680 Less than. 592 31:56.680 --> 31:57.520 Equal to seven. 593 31:57.520 --> 31:58.180 True. 594 31:58.810 --> 32:02.950 Now it will begin substring harshit. 595 32:03.070 --> 32:05.350 Over here also it will become one. 596 32:05.440 --> 32:07.120 So one comma one. 597 32:07.120 --> 32:08.800 It will print h. 598 32:10.420 --> 32:14.860 Now it will increment the value of one equal to one plus 122. 599 32:14.890 --> 32:15.520 Right. 600 32:16.660 --> 32:22.360 So two less than equal to seven two less than equal to seven. 601 32:22.360 --> 32:23.680 True, true. 602 32:25.210 --> 32:28.390 So now it will in the headset it will start from where? 603 32:28.420 --> 32:29.710 It will start from two. 604 32:29.740 --> 32:30.760 Two comma one. 605 32:30.790 --> 32:32.950 See what it will print a. 606 32:36.730 --> 32:37.600 Ha. 607 32:38.830 --> 32:42.040 Now when it will become hit seven. 608 32:45.100 --> 32:49.780 Then it will increment seven plus 188 less than equal to seven. 609 32:49.780 --> 32:50.410 False. 610 32:50.410 --> 32:51.940 It will exit the loop right. 611 32:51.970 --> 32:53.320 It will exit the loop. 612 32:59.620 --> 33:00.940 It will exit the loop. 613 33:00.970 --> 33:03.340 You can speak if you have any doubt. 614 33:08.500 --> 33:10.150 This is a real programming. 615 33:10.150 --> 33:10.660 We can say. 616 33:10.660 --> 33:11.290 Right. 617 33:13.090 --> 33:14.440 This is perfectly clear. 618 33:15.700 --> 33:19.060 Okay, now let's move ahead 619 33:25.220 --> 33:29.810 Now let me see what is going to be printed over here. 620 33:29.840 --> 33:32.780 H e r s h I t. 621 33:32.810 --> 33:33.470 Okay. 622 33:34.100 --> 33:34.490 Okay. 623 33:34.490 --> 33:38.480 Now I ask you one question. 624 33:40.370 --> 33:46.580 Yes, I should if I want to print a, uh, one blank. 625 33:47.600 --> 33:47.810 Okay. 626 33:47.840 --> 33:49.220 Yeah, it is working. 627 33:49.280 --> 33:51.440 So now let's move ahead. 628 33:57.050 --> 34:01.220 This is the same example, but I have used something else over here. 629 34:01.490 --> 34:03.260 I have used the left keyword. 630 34:03.260 --> 34:05.720 It is also printing the ha s h I t. 631 34:07.700 --> 34:09.920 You can see it. 632 34:09.950 --> 34:12.200 Now let's move forward. 633 34:14.660 --> 34:17.840 Now see what is going to be happen over here. 634 34:17.870 --> 34:23.120 Write a program to input a string and print the following pattern. 635 34:23.150 --> 34:25.820 Now see what is going to be printed over here. 636 34:26.540 --> 34:30.050 Ha ha ha ha! 637 34:30.080 --> 34:30.620 SH! 638 34:31.370 --> 34:32.150 Like this. 639 34:32.180 --> 34:33.320 We want to print. 640 34:36.260 --> 34:37.100 Like this. 641 34:37.130 --> 34:37.940 We want to print. 642 34:37.940 --> 34:42.080 So what is the only change we have to do done in our above query? 643 34:42.290 --> 34:43.760 See over here. 644 34:44.150 --> 34:46.340 This time our starting position. 645 34:46.370 --> 34:48.290 Starting position will be. 646 34:48.290 --> 34:50.210 This is our previous query, right? 647 34:51.200 --> 34:52.850 This is our previous query. 648 34:55.160 --> 34:57.740 And this is our current query. 649 34:57.830 --> 35:02.540 Now see over here starting position is changing every time right. 650 35:02.570 --> 35:09.200 First time we want to start it from a sorry h then a then r then s. 651 35:09.200 --> 35:11.180 But over here what will happen. 652 35:12.590 --> 35:15.170 Our starting position will be static. 653 35:15.590 --> 35:16.730 See over here. 654 35:16.760 --> 35:19.290 Every time it is going to start with H. 655 35:20.160 --> 35:22.950 Every time we are going to start with H. 656 35:23.070 --> 35:24.780 But first attempt we are. 657 35:24.810 --> 35:26.670 We want one character. 658 35:26.700 --> 35:29.310 Second attempt we want two characters. 659 35:29.340 --> 35:30.030 Third attempt. 660 35:30.030 --> 35:32.070 We want three characters. 661 35:32.190 --> 35:33.210 Fourth attempt. 662 35:33.210 --> 35:34.680 We want four characters. 663 35:34.770 --> 35:41.520 So now over here in this particular query, see what is going to be happen over here. 664 35:41.550 --> 35:42.180 See? 665 35:42.210 --> 35:42.660 Ha! 666 35:42.720 --> 35:43.290 --. 667 35:44.100 --> 35:44.520 Right. 668 35:44.550 --> 35:46.200 Let me remove this one. 669 35:48.990 --> 35:49.440 Ha! 670 35:49.500 --> 35:50.040 --! 671 35:50.070 --> 35:52.710 You have to play. 672 35:52.740 --> 35:54.030 We have to play with. 673 35:54.030 --> 35:54.750 So over here. 674 35:54.750 --> 35:56.460 What is the change we want to do? 675 35:56.490 --> 35:59.490 Just starting is one. 676 35:59.490 --> 36:03.150 But at the rate X is going to be changed every time, right? 677 36:04.410 --> 36:06.690 Edit X is going to be changed every time. 678 36:06.720 --> 36:07.320 See? 679 36:09.780 --> 36:10.680 Simple. 680 36:10.680 --> 36:12.000 Only one change. 681 36:14.400 --> 36:15.960 Only one change we have done. 682 36:15.960 --> 36:19.000 And entire Best thing is working. 683 36:19.030 --> 36:21.010 Ha ha. 684 36:21.850 --> 36:26.050 But the main thing you should be aware about the substring function. 685 36:26.050 --> 36:28.450 You should be aware about the length function. 686 36:28.660 --> 36:32.530 If you are not aware about the substring function, then you cannot. 687 36:32.560 --> 36:35.950 You will be stuck, right? 688 36:35.950 --> 36:37.120 You will be stuck. 689 36:39.670 --> 36:43.150 While executing this kind of program. 690 36:45.910 --> 36:49.510 Now what is going to be happen over here? 691 36:51.820 --> 36:52.030 Okay. 692 36:52.030 --> 36:52.930 This is same thing. 693 36:52.960 --> 36:54.280 Ha h I t. 694 37:02.200 --> 37:05.740 Now see what I have done over here. 695 37:07.750 --> 37:10.150 Print harshit in reverse order. 696 37:10.240 --> 37:12.130 One character per line. 697 37:12.190 --> 37:13.810 Means t first. 698 37:13.840 --> 37:14.410 Right? 699 37:14.440 --> 37:16.180 So it is totally reverse, right? 700 37:16.210 --> 37:21.010 T h something like this. 701 37:22.600 --> 37:24.550 Now how? 702 37:25.840 --> 37:28.120 Let me first execute this query. 703 37:28.150 --> 37:28.840 See? 704 37:28.870 --> 37:30.640 Everything is in reverse order. 705 37:31.120 --> 37:34.210 T I h s r a h. 706 37:34.870 --> 37:38.260 Now, see, you have to understand starting with one, right? 707 37:38.650 --> 37:40.450 So one less than equal to seven. 708 37:40.450 --> 37:41.200 True. 709 37:41.470 --> 37:42.460 Now what? 710 37:42.460 --> 37:47.290 It will print substring right of Herseth. 711 37:48.790 --> 37:49.390 Over here. 712 37:49.390 --> 37:51.220 This one will become one. 713 37:51.220 --> 37:51.850 Right? 714 37:52.630 --> 37:54.970 This will become one now. 715 37:54.970 --> 37:56.170 Right of Herseth. 716 37:56.350 --> 37:57.940 So what is the right function? 717 37:57.940 --> 37:59.890 You have to understand this, right? 718 38:01.060 --> 38:01.870 Right. 719 38:01.900 --> 38:03.700 See over here, let me execute. 720 38:03.730 --> 38:04.660 Select. 721 38:07.780 --> 38:08.950 Right. 722 38:10.150 --> 38:10.990 Harshit. 723 38:11.230 --> 38:13.180 So it requires two parameter. 724 38:13.180 --> 38:14.260 Let me try. 725 38:15.010 --> 38:17.840 It is going to be some give some error. 726 38:17.960 --> 38:23.840 Now comma one see it is returning me t right. 727 38:23.840 --> 38:31.700 It is returning me t first time it is returning me t second time I want I. 728 38:33.500 --> 38:37.310 So so t t is returning. 729 38:37.340 --> 38:39.800 Now what is the starting position? 730 38:39.800 --> 38:41.360 Starting position one. 731 38:41.420 --> 38:43.220 We want one character, right? 732 38:43.250 --> 38:44.630 We want one character. 733 38:44.630 --> 38:50.360 So it will return me t only now if I mention over here two. 734 38:50.720 --> 38:55.610 So what it will return I t I t it is returning. 735 38:55.610 --> 38:56.240 Right. 736 38:57.500 --> 39:02.030 But now every time I want, I want first character. 737 39:02.060 --> 39:04.010 See, I want first character. 738 39:04.040 --> 39:08.270 Now if I mention three, what will happen again? 739 39:08.270 --> 39:10.430 It will become hit. 740 39:10.460 --> 39:21.180 But I want only h So for that purpose, one comma one I have mentioned in substring, it will start 741 39:21.180 --> 39:21.840 from one. 742 39:21.870 --> 39:28.080 It will start from one every time in this substring, and it will return me only one one character. 743 39:29.550 --> 39:32.040 It will return me only one character. 744 39:35.760 --> 39:39.210 So that is why this is a right function. 745 39:39.210 --> 39:42.390 Also we have to use as well as substring. 746 39:42.390 --> 39:49.320 Also we have to use right and we are incrementing this this value right function value. 747 39:51.870 --> 39:54.750 And right is not going to be give again. 748 39:54.750 --> 39:55.980 It will give me four. 749 39:56.430 --> 39:58.320 So it will give me --. 750 39:58.710 --> 40:04.830 But I want only s I want only s. 751 40:05.550 --> 40:07.680 See over here I want only s. 752 40:07.800 --> 40:13.770 So that is why I have done substring and this is everything else will be same right? 753 40:14.340 --> 40:16.500 At the rate x equal to x plus one. 754 40:16.500 --> 40:18.150 That is going to be same. 755 40:21.720 --> 40:22.680 Right. 756 40:25.710 --> 40:28.440 Now over here this is also simple thing. 757 40:28.530 --> 40:30.690 We have to just use the right. 758 40:31.500 --> 40:33.210 Firstly it will give me t. 759 40:34.140 --> 40:35.400 We have seen this right. 760 40:35.430 --> 40:36.600 We have seen this over here. 761 40:36.630 --> 40:38.760 First iteration it will give me t. 762 40:39.180 --> 40:41.400 Second iteration it will give me it. 763 40:42.240 --> 40:43.140 Third iteration. 764 40:43.140 --> 40:45.360 So over here everything I have removed. 765 40:45.660 --> 40:48.720 And this is the pattern t I t h I t. 766 40:51.450 --> 40:52.650 Like this. 767 40:52.890 --> 40:54.270 Now let us see one. 768 40:54.300 --> 40:54.570 Yeah. 769 40:54.600 --> 40:57.000 This is one important example. 770 40:57.270 --> 40:59.880 First iteration we want to print star. 771 40:59.910 --> 41:03.390 Then second iteration we want to print double asterisk. 772 41:03.990 --> 41:06.540 Third iteration we want to print three asterisk. 773 41:06.570 --> 41:11.310 So to replicate the same thing see over here. 774 41:11.340 --> 41:12.730 See Select. 775 41:13.840 --> 41:15.310 Replicate. 776 41:17.380 --> 41:21.160 Ten star ten comma five. 777 41:21.190 --> 41:22.870 See what will happen. 778 41:25.390 --> 41:29.620 It is going to be replicate specific string five times. 779 41:31.180 --> 41:35.020 If I mention four it will give me star four times. 780 41:38.320 --> 41:44.260 If I specify three it will give me star three times. 781 41:48.040 --> 41:48.760 Right. 782 41:48.760 --> 41:51.040 That what I want to want. 783 41:51.070 --> 41:54.040 So over here you want to change this one, right? 784 41:54.040 --> 41:56.860 You want to change this one in every iteration? 785 41:57.100 --> 41:58.120 First time. 786 41:58.120 --> 41:59.770 One second time two. 787 41:59.980 --> 42:01.180 Third time three. 788 42:01.240 --> 42:05.530 So that is the thing what we have done over here it is replicate. 789 42:05.800 --> 42:08.110 Iterate X will be changing every time. 790 42:08.110 --> 42:10.000 It is incrementing every time. 791 42:10.090 --> 42:14.020 And it is going to be exit when six will come. 792 42:14.020 --> 42:16.270 So six less than equal to five false. 793 42:16.270 --> 42:17.710 So it will exit. 794 42:18.760 --> 42:20.920 So first time it will print one star. 795 42:20.950 --> 42:23.200 Second time it will print two star. 796 42:23.320 --> 42:26.980 Third time it will print three star like the same right. 797 42:30.850 --> 42:31.090 Okay. 798 42:31.090 --> 42:32.950 This is in reverse order. 799 42:35.320 --> 42:35.620 Okay. 800 42:35.650 --> 42:37.690 This I have done in reverse order. 801 42:37.690 --> 42:41.080 So over here iteration I am starting with five. 802 42:41.260 --> 42:45.610 So first time it will five star will be printed. 803 42:46.060 --> 42:49.720 Now over here I have done x minus one. 804 42:49.810 --> 42:52.390 So it will become five minus one four. 805 42:52.390 --> 42:55.390 So second time it will return me four star. 806 42:55.660 --> 42:58.030 Third time it will return me three star. 807 43:00.160 --> 43:03.970 So this is what you can play by yourself as well right? 808 43:08.440 --> 43:10.660 Now you can let me know if you have any.