1 00:00:01,680 --> 00:00:03,300 Hey, guys, what's up? 2 00:00:03,600 --> 00:00:08,040 So in this video, we will talk about conditional statements and instructions. 3 00:00:08,850 --> 00:00:15,120 So many time our work is dependent upon some certain conditions if a certain condition is true. 4 00:00:15,270 --> 00:00:17,880 I will do some work if that condition is followed. 5 00:00:17,970 --> 00:00:19,350 I will do some other work. 6 00:00:19,950 --> 00:00:20,190 OK. 7 00:00:20,580 --> 00:00:23,430 For example, let's say I have a variable. 8 00:00:24,810 --> 00:00:27,120 I will take input from the user. 9 00:00:27,600 --> 00:00:28,590 Now I will check. 10 00:00:29,040 --> 00:00:31,220 If A is a good then. 11 00:00:31,400 --> 00:00:33,390 Then I will print. 12 00:00:34,020 --> 00:00:34,740 Let's say hello. 13 00:00:37,160 --> 00:00:40,180 OK, so if Aziga dentin, I will, Brent Hailu. 14 00:00:41,050 --> 00:00:45,010 Otherwise, I will brind worried. 15 00:00:47,960 --> 00:00:53,030 OK, so if Assad didn't condition is true, I will do some work if that condition is false. 16 00:00:53,470 --> 00:00:54,850 I will do some other work. 17 00:00:56,350 --> 00:00:57,160 OK, so let's see. 18 00:01:04,360 --> 00:01:06,910 So let's name this file as if. 19 00:01:09,710 --> 00:01:10,520 If condition. 20 00:01:15,600 --> 00:01:16,410 Nazi BP. 21 00:01:38,250 --> 00:01:44,940 OK, so what do you want to do is I will take a variable, let's say you and I and I will take the volume 22 00:01:44,970 --> 00:01:46,380 input from the user. 23 00:01:47,130 --> 00:01:50,910 Now I will check if the value of A is good. 24 00:01:50,970 --> 00:01:52,080 Then let's have five. 25 00:01:52,890 --> 00:01:54,990 So what I want to do is I will. 26 00:01:56,520 --> 00:01:56,880 Hello. 27 00:01:59,430 --> 00:02:07,560 And similarly, if this condition is fores and that is if I is not good, then five ls. 28 00:02:07,970 --> 00:02:13,050 What we want to do is I want to brand, let's say word. 29 00:02:17,580 --> 00:02:18,280 OK, so. 30 00:02:20,260 --> 00:02:23,290 That's Senate using, okay, sorry. 31 00:02:26,410 --> 00:02:27,370 Name, space. 32 00:02:29,000 --> 00:02:29,420 Space. 33 00:02:29,480 --> 00:02:29,750 OK. 34 00:02:29,810 --> 00:02:31,010 So let's do it again. 35 00:02:33,080 --> 00:02:35,470 OK, so let's say the value of AI is ten. 36 00:02:36,850 --> 00:02:38,150 So Heliers getting Brender. 37 00:02:38,560 --> 00:02:38,800 OK. 38 00:02:39,410 --> 00:02:41,840 So if the value of Iestyn might put it. 39 00:02:41,900 --> 00:02:42,200 Hello. 40 00:02:43,760 --> 00:02:47,390 So as you can see here, this condition is true. 41 00:02:48,350 --> 00:02:54,660 Since this condition is true, I will go inside this records', inside this parenthesis, inside this 42 00:02:54,660 --> 00:02:56,300 Carlip Records and I will print. 43 00:02:56,390 --> 00:02:56,660 Hello. 44 00:02:57,390 --> 00:02:57,690 OK. 45 00:02:58,220 --> 00:03:01,580 So if this condition is true, I will go inside. 46 00:03:02,500 --> 00:03:05,180 I will not be executed because this condition is true. 47 00:03:05,960 --> 00:03:07,220 Let's take one more example. 48 00:03:11,750 --> 00:03:13,810 Suppose the value of AI is, too. 49 00:03:14,510 --> 00:03:16,910 So in this case, my output is wide. 50 00:03:20,010 --> 00:03:26,750 So what happened is the value of FI is to say, I will come here and this condition is false. 51 00:03:28,330 --> 00:03:28,920 Two is not good. 52 00:03:29,030 --> 00:03:29,600 Then five. 53 00:03:29,960 --> 00:03:31,970 So I will not go inside. 54 00:03:32,210 --> 00:03:32,420 OK. 55 00:03:32,480 --> 00:03:33,650 So I will not go inside. 56 00:03:33,770 --> 00:03:34,460 I will come here. 57 00:03:34,580 --> 00:03:35,000 It is. 58 00:03:35,750 --> 00:03:37,820 And I will go inside and will print. 59 00:03:37,850 --> 00:03:38,650 See outweighed. 60 00:03:39,190 --> 00:03:39,520 OK. 61 00:03:40,220 --> 00:03:41,240 So these records. 62 00:03:42,290 --> 00:03:43,130 I had important. 63 00:03:45,700 --> 00:03:46,990 Let's take one more example. 64 00:03:47,900 --> 00:03:49,590 OK, so what will happen if I remove it? 65 00:03:51,230 --> 00:03:52,160 So let's remove it. 66 00:03:53,270 --> 00:03:54,560 Now, let us run it again. 67 00:03:56,200 --> 00:04:02,010 Now, suppose the value of AI is seven and enter is getting rendered? 68 00:04:02,210 --> 00:04:03,880 No doubt, because the condition is true. 69 00:04:03,970 --> 00:04:05,050 I will go inside. 70 00:04:06,690 --> 00:04:13,980 Now, let's say the value of AI is to say nothing is getting Brender, which is obviously correct. 71 00:04:14,760 --> 00:04:18,760 So if the value of AI is to two is not good, then five, this condition is false. 72 00:04:18,900 --> 00:04:20,110 I will not go inside this loop. 73 00:04:20,190 --> 00:04:21,150 I will reach here. 74 00:04:21,360 --> 00:04:22,500 Sorry, it is not a loop. 75 00:04:22,860 --> 00:04:24,720 I will not go inside this if condition. 76 00:04:25,050 --> 00:04:28,230 I will reach here line number 12 and will execute. 77 00:04:30,190 --> 00:04:30,520 OK. 78 00:04:34,800 --> 00:04:38,520 You can also write multiple lines here, for example, see out. 79 00:04:44,320 --> 00:04:44,570 OK. 80 00:04:44,920 --> 00:04:51,130 Similarly, you can ride as and you can do anything. 81 00:04:52,240 --> 00:04:58,300 For example, if you want to change the value of AI, for example, let's say I equals a plus two. 82 00:04:58,810 --> 00:05:00,700 Basically, you're increasing the value if I way too. 83 00:05:02,320 --> 00:05:06,670 And you can print the new value if I hear, for example, see LDI. 84 00:05:09,760 --> 00:05:10,990 OK, so let us know it again. 85 00:05:13,600 --> 00:05:15,390 So let's say the value of fire is five. 86 00:05:17,060 --> 00:05:21,820 So outproduce coming out to be seven because this condition. 87 00:05:22,150 --> 00:05:22,870 Let me show you. 88 00:05:24,480 --> 00:05:26,160 So the value of AI is five. 89 00:05:26,310 --> 00:05:27,870 This condition is false. 90 00:05:28,200 --> 00:05:32,170 I will go inside as so I will increase the value of five by two certainly. 91 00:05:32,240 --> 00:05:36,900 Well if I is seven and I am bringing the value of a simple. 92 00:05:38,580 --> 00:05:40,560 Similarly, if the value of. 93 00:05:41,730 --> 00:05:42,450 I is. 94 00:05:42,660 --> 00:05:43,550 Let's say it. 95 00:05:44,940 --> 00:05:45,690 So these two. 96 00:05:47,100 --> 00:05:48,660 Strings are getting printed. 97 00:05:49,140 --> 00:05:49,370 OK. 98 00:05:51,730 --> 00:05:55,410 Now you can write multiple events condition, for example, let me show you. 99 00:06:05,260 --> 00:06:07,720 So if the value of AI is five. 100 00:06:10,560 --> 00:06:11,400 What I will do. 101 00:06:14,530 --> 00:06:16,260 I will print sea out. 102 00:06:19,100 --> 00:06:19,670 If. 103 00:06:27,540 --> 00:06:30,540 Similarly, if the I'm checking again, elusive. 104 00:06:33,660 --> 00:06:37,230 If I if I say good, then five. 105 00:06:39,670 --> 00:06:42,640 Then I will print out. 106 00:06:44,050 --> 00:06:45,310 In as if. 107 00:06:53,240 --> 00:06:58,450 And let's see else, if about Drugan nations are false. 108 00:06:58,580 --> 00:07:01,790 I will reach in, as I let's say I am branding. 109 00:07:01,890 --> 00:07:04,560 See you out in as. 110 00:07:07,900 --> 00:07:08,090 OK. 111 00:07:16,050 --> 00:07:22,050 OK, I suppose if the value of AI is six, so what will happen, first of all? 112 00:07:22,080 --> 00:07:22,860 I will reach here. 113 00:07:23,310 --> 00:07:24,480 This condition is false. 114 00:07:24,870 --> 00:07:26,250 Now I will check this condition. 115 00:07:26,670 --> 00:07:27,660 Six guerdon five. 116 00:07:27,780 --> 00:07:28,230 Yes. 117 00:07:28,740 --> 00:07:31,000 So output will be in Altuve. 118 00:07:31,840 --> 00:07:33,630 OK, so far I equals six. 119 00:07:33,720 --> 00:07:35,780 Moudud will be in as if. 120 00:07:36,450 --> 00:07:36,630 OK. 121 00:07:36,680 --> 00:07:38,850 So remember out of these T. 122 00:07:40,050 --> 00:07:42,290 Only one of them will run. 123 00:07:42,750 --> 00:07:42,930 OK? 124 00:07:43,020 --> 00:07:44,610 All of them will not be executed. 125 00:07:44,700 --> 00:07:47,940 Only one of all the three will execute. 126 00:07:49,180 --> 00:07:50,710 OK, so four equals six. 127 00:07:50,740 --> 00:07:52,590 My output should be an elusive. 128 00:07:53,200 --> 00:07:53,800 So let's see. 129 00:07:55,990 --> 00:07:59,980 Led to the value of a six mile output is an elusive. 130 00:08:01,170 --> 00:08:07,590 Similarly, let's say, if the value of AI is five, so if the value of five is five. 131 00:08:07,950 --> 00:08:09,480 This condition will be true. 132 00:08:09,810 --> 00:08:11,740 And I will execute this line. 133 00:08:11,910 --> 00:08:12,110 OK. 134 00:08:12,190 --> 00:08:14,490 So these conditions will not be executed. 135 00:08:14,610 --> 00:08:16,380 I will not even check those conditions. 136 00:08:17,320 --> 00:08:17,560 OK. 137 00:08:19,130 --> 00:08:22,710 So if they really if I was five, my output should be enough. 138 00:08:22,820 --> 00:08:24,020 Which is hundred percent correct. 139 00:08:24,410 --> 00:08:25,070 Similarly. 140 00:08:26,670 --> 00:08:32,640 Let's say the value of AI is to sow this condition is false. 141 00:08:33,240 --> 00:08:36,130 This condition is also false because too is not good. 142 00:08:36,150 --> 00:08:36,640 Then five. 143 00:08:36,960 --> 00:08:38,940 So I will reach here in as. 144 00:08:42,380 --> 00:08:46,640 So if the value of AI is to some output, is it as. 145 00:08:48,590 --> 00:08:49,970 OK, great. 146 00:08:50,840 --> 00:08:58,450 So now I guess there is no need there is not compulsion to write as you can also deluded also and there 147 00:08:58,450 --> 00:08:59,330 is no compulsion. 148 00:09:00,170 --> 00:09:04,190 Now, let us try to understand what is the difference between if an elusive. 149 00:09:06,380 --> 00:09:07,820 So what I want to say is. 150 00:09:10,080 --> 00:09:14,280 I can also write like this, if I equals, it equals five. 151 00:09:14,430 --> 00:09:19,350 And here instead of Alice, if I could have written if I had done five. 152 00:09:19,860 --> 00:09:21,240 So I want to check. 153 00:09:21,270 --> 00:09:22,120 What is the difference? 154 00:09:22,140 --> 00:09:28,060 I want to know what is the difference between if and Essive vs.. 155 00:09:29,460 --> 00:09:32,700 What is the difference between if and if? 156 00:09:34,640 --> 00:09:35,810 I guess I want to check it. 157 00:09:37,910 --> 00:09:42,320 And I also want to know, can I please as if with if. 158 00:09:43,850 --> 00:09:44,090 OK. 159 00:09:53,830 --> 00:09:54,360 So. 160 00:09:55,970 --> 00:09:57,140 A fascinating if. 161 00:09:59,360 --> 00:10:00,500 Then some court here. 162 00:10:01,310 --> 00:10:11,750 Similarly, if I am writing elusive and checking the condition and then some coded verses, if some 163 00:10:11,750 --> 00:10:17,710 call again if condition and some code, OK. 164 00:10:18,320 --> 00:10:20,660 So I want to find the difference between these two. 165 00:10:22,930 --> 00:10:25,150 So is actually very clear. 166 00:10:28,260 --> 00:10:31,080 Here, either one of them will get executed. 167 00:10:31,590 --> 00:10:31,830 OK? 168 00:10:31,890 --> 00:10:35,750 Both will not get executed if this condition is true. 169 00:10:36,570 --> 00:10:39,780 If this condition is true, this condition will not be checked. 170 00:10:40,800 --> 00:10:41,090 OK. 171 00:10:42,360 --> 00:10:46,620 And here, if this condition is true, this condition will also be checked. 172 00:10:47,070 --> 00:10:48,360 OK, so I will check. 173 00:10:50,900 --> 00:10:53,280 OK, so this is the basic defense. 174 00:10:53,310 --> 00:10:54,330 Let me show you. 175 00:10:55,410 --> 00:10:55,830 So. 176 00:10:57,620 --> 00:10:58,790 Our aim is very simple. 177 00:10:59,390 --> 00:11:02,450 So if so, what I will do? 178 00:11:02,480 --> 00:11:08,610 I will take a variable, let's say, and I will take the value of a input from the user. 179 00:11:09,050 --> 00:11:10,550 And my aim is very simple. 180 00:11:10,850 --> 00:11:15,020 If the value of A is one G-Star value to zero. 181 00:11:16,150 --> 00:11:20,860 And if the value of a zero change the value, a two one. 182 00:11:21,220 --> 00:11:22,140 So this is my book. 183 00:11:23,130 --> 00:11:23,400 OK. 184 00:11:23,860 --> 00:11:28,120 If the value of it is one, make a zero. 185 00:11:28,510 --> 00:11:32,670 Similarly, if the value of a zero make a one. 186 00:11:33,040 --> 00:11:39,330 This is my task that I have to do now with the help of this example, the difference between and NSF 187 00:11:39,390 --> 00:11:39,830 vs.. 188 00:11:40,000 --> 00:11:42,330 If if will be very clear. 189 00:11:44,760 --> 00:11:45,870 So let's be clear that. 190 00:11:49,430 --> 00:11:49,720 A. 191 00:11:58,200 --> 00:12:01,740 So if A equals equals one. 192 00:12:02,670 --> 00:12:07,670 So what I have to do with the earlier phase when I have to change the value is to zero. 193 00:12:07,740 --> 00:12:08,700 So equals zero. 194 00:12:09,870 --> 00:12:10,380 No doubt. 195 00:12:12,120 --> 00:12:12,620 Elusive. 196 00:12:19,110 --> 00:12:22,490 And if A equals equals zero. 197 00:12:22,610 --> 00:12:23,540 So if the value of. 198 00:12:26,440 --> 00:12:28,230 And goes it goes zero. 199 00:12:28,550 --> 00:12:33,200 So if the value of a zero, I have to make a equals one. 200 00:12:34,440 --> 00:12:34,630 OK. 201 00:12:34,700 --> 00:12:37,550 So this was the task that I have to perform. 202 00:12:37,940 --> 00:12:38,820 And this is the code. 203 00:12:39,620 --> 00:12:42,590 And finally, I am bringing the value of a. 204 00:12:45,870 --> 00:12:46,120 Okay. 205 00:12:49,660 --> 00:12:52,120 So if I give is one. 206 00:12:56,290 --> 00:13:03,850 So if equals when this condition will get executed, this condition will be true and it will become 207 00:13:03,850 --> 00:13:04,210 zero. 208 00:13:04,900 --> 00:13:05,200 OK. 209 00:13:05,920 --> 00:13:08,980 Since this condition is true, this condition will not be checked. 210 00:13:09,310 --> 00:13:12,400 And I will print zero perfectly fine. 211 00:13:12,760 --> 00:13:14,650 Similarly, if the value of a zero. 212 00:13:15,010 --> 00:13:18,040 So, first of all, I will check this condition, which is false. 213 00:13:18,340 --> 00:13:19,660 Now, this condition is false. 214 00:13:19,840 --> 00:13:21,610 That's why I will check this condition. 215 00:13:22,900 --> 00:13:25,270 OK, so I will check this condition equals zero. 216 00:13:25,350 --> 00:13:25,480 Yes. 217 00:13:25,530 --> 00:13:26,360 The condition is strong. 218 00:13:26,400 --> 00:13:27,220 It will become one. 219 00:13:27,870 --> 00:13:28,860 It will become one. 220 00:13:28,890 --> 00:13:31,230 And then I will bring a. 221 00:13:32,520 --> 00:13:35,790 OK, so this court is fine. 222 00:13:35,880 --> 00:13:36,420 Let's see. 223 00:13:38,460 --> 00:13:42,310 If the value of phase one are virtually zero, good. 224 00:13:45,100 --> 00:13:48,400 If the value of a zero output should be one. 225 00:13:49,740 --> 00:13:50,020 OK. 226 00:13:50,500 --> 00:13:51,670 So this is good. 227 00:13:52,720 --> 00:13:53,380 Now what? 228 00:13:53,530 --> 00:13:56,550 Now what I will do, I will remove this ls. 229 00:13:57,610 --> 00:13:59,020 So I have to conditions. 230 00:13:59,830 --> 00:14:00,160 If. 231 00:14:00,190 --> 00:14:00,730 And if. 232 00:14:01,940 --> 00:14:02,110 OK. 233 00:14:02,230 --> 00:14:05,500 So let's see whether my Arpatepe will be right or wrong. 234 00:14:05,770 --> 00:14:06,340 So let's see. 235 00:14:07,510 --> 00:14:12,520 If the value of phase one, my output should be zero, but it is showing when. 236 00:14:16,080 --> 00:14:18,870 But if the value of a zero day showing one. 237 00:14:20,270 --> 00:14:25,370 So here for the value of equals it all my output is right by four equals one. 238 00:14:25,880 --> 00:14:26,840 My output is wrong. 239 00:14:27,440 --> 00:14:27,890 How? 240 00:14:29,000 --> 00:14:29,780 Let me show you. 241 00:14:33,170 --> 00:14:39,350 So when you are giving a equals zero as input, what will happen? 242 00:14:39,500 --> 00:14:40,700 I will check this condition. 243 00:14:41,150 --> 00:14:42,770 This condition is false. 244 00:14:43,190 --> 00:14:44,330 I will not go inside. 245 00:14:44,750 --> 00:14:45,980 Now, I will check this condition. 246 00:14:46,370 --> 00:14:47,630 This condition is true. 247 00:14:47,960 --> 00:14:52,420 I will go inside equals one and bring the valerian. 248 00:14:52,730 --> 00:14:54,380 So one is getting printed. 249 00:14:54,920 --> 00:14:55,640 Correct answer. 250 00:14:56,510 --> 00:15:00,500 But when it was one, what will happen? 251 00:15:00,860 --> 00:15:03,890 This condition is through. 252 00:15:05,270 --> 00:15:09,440 Since this condition is true, the new value of phase zero. 253 00:15:09,500 --> 00:15:11,660 So A equals zero. 254 00:15:13,400 --> 00:15:14,570 And now what will happen? 255 00:15:15,410 --> 00:15:16,820 I will check this condition. 256 00:15:18,260 --> 00:15:19,150 Is equal zero. 257 00:15:19,220 --> 00:15:20,540 Yes, equals zero. 258 00:15:20,720 --> 00:15:23,300 So it will make a one again. 259 00:15:23,360 --> 00:15:26,890 So it will be again one and then you are printing it. 260 00:15:26,960 --> 00:15:28,190 So one will be printed. 261 00:15:29,480 --> 00:15:29,740 OK. 262 00:15:29,940 --> 00:15:31,280 So this is their defense. 263 00:15:32,710 --> 00:15:41,410 If you're riding, if and if so, this F is independent, this if is independent, both will check the 264 00:15:41,410 --> 00:15:41,980 condition. 265 00:15:42,430 --> 00:15:52,450 But if you are riding, if and else if so, if this condition is false, then only I will check this 266 00:15:52,450 --> 00:15:52,990 condition. 267 00:15:54,490 --> 00:15:54,810 OK. 268 00:15:55,270 --> 00:15:59,410 If this condition is false, then only I will check this condition. 269 00:16:00,460 --> 00:16:01,360 And in this case. 270 00:16:02,880 --> 00:16:05,010 Validus Condition is true or false. 271 00:16:05,280 --> 00:16:07,230 This condition will always be checked. 272 00:16:09,220 --> 00:16:12,330 OK, so there can be many combinations. 273 00:16:14,650 --> 00:16:20,770 You can make many combinations like if only if only if you can write. 274 00:16:22,320 --> 00:16:23,120 A friend is. 275 00:16:25,160 --> 00:16:25,450 OK. 276 00:16:26,410 --> 00:16:28,240 You can also write if. 277 00:16:29,940 --> 00:16:30,600 As if. 278 00:16:32,240 --> 00:16:32,920 And if. 279 00:16:34,650 --> 00:16:51,090 You can ride if it's if it's you can ride if then inside, if then else if then else. 280 00:16:52,660 --> 00:16:54,340 Then inside, as you can, right? 281 00:16:54,430 --> 00:16:55,990 If and so on. 282 00:16:56,350 --> 00:16:59,170 OK, so they had an infinite number of combinations possible. 283 00:16:59,830 --> 00:17:00,480 Now, let's see. 284 00:17:00,490 --> 00:17:05,410 The most interesting thing and most important thing was also. 285 00:17:10,710 --> 00:17:12,050 So I am removing it all. 286 00:17:13,440 --> 00:17:15,390 OK, guys, let's make commander doubt. 287 00:17:19,340 --> 00:17:23,720 My main purpose was to clear the difference between offensive and offensive. 288 00:17:24,520 --> 00:17:30,020 Okay, now the one more thing that I want to make sure I do noise. 289 00:17:31,100 --> 00:17:36,030 Suppose I have a variable in there, which equals one. 290 00:17:37,940 --> 00:17:38,960 And now if. 291 00:17:41,480 --> 00:17:42,230 Five. 292 00:17:44,250 --> 00:17:46,140 A five morde to. 293 00:17:48,950 --> 00:17:49,430 And. 294 00:17:50,690 --> 00:17:51,390 C++. 295 00:17:51,920 --> 00:17:56,950 So if this condition is true, what I want to do is I will print C out. 296 00:17:58,340 --> 00:18:00,770 And if and if block. 297 00:18:04,960 --> 00:18:06,250 And I will bring the value of. 298 00:18:06,480 --> 00:18:09,220 She yelled, led to a. 299 00:18:15,400 --> 00:18:20,230 And if this condition is foys, is what I want to do is. 300 00:18:25,370 --> 00:18:30,050 So what I want to do is I will print sea out. 301 00:18:34,250 --> 00:18:34,980 And as. 302 00:18:39,440 --> 00:18:42,770 And line, and similarly, I will print the value ofthe. 303 00:18:45,760 --> 00:18:45,940 OK. 304 00:18:46,470 --> 00:18:47,890 So virtually my output. 305 00:18:49,200 --> 00:18:50,850 So if the value of phase one. 306 00:18:51,480 --> 00:18:53,200 So not this condition is true. 307 00:18:53,250 --> 00:18:54,830 Five more two is OK. 308 00:18:55,180 --> 00:18:56,010 So let me show you. 309 00:18:59,190 --> 00:19:00,450 So equals one. 310 00:19:01,080 --> 00:19:01,350 OK. 311 00:19:01,860 --> 00:19:03,560 Now, this condition is true. 312 00:19:04,900 --> 00:19:05,360 Why, Drew? 313 00:19:05,460 --> 00:19:11,940 Because five more two is one and one means to any positive value is true. 314 00:19:12,360 --> 00:19:13,260 Zero is false. 315 00:19:13,430 --> 00:19:13,680 OK. 316 00:19:14,040 --> 00:19:15,330 Any positive values true. 317 00:19:15,360 --> 00:19:16,170 And zero is false. 318 00:19:16,260 --> 00:19:17,370 So this condition is true. 319 00:19:17,710 --> 00:19:19,530 But there is an operator. 320 00:19:19,980 --> 00:19:21,120 There's a logical end. 321 00:19:21,720 --> 00:19:26,700 So we will check this condition also E-Plus plus now E-Plus plus plus is Borst. 322 00:19:26,990 --> 00:19:31,030 OK, so first I will check E and then it will be incremental. 323 00:19:31,470 --> 00:19:33,030 So I will check if it is one. 324 00:19:33,330 --> 00:19:33,550 OK. 325 00:19:33,600 --> 00:19:35,040 So both this condition are true. 326 00:19:35,940 --> 00:19:36,870 This is also true. 327 00:19:36,930 --> 00:19:37,830 This is also true. 328 00:19:37,980 --> 00:19:39,780 This whole expression is true. 329 00:19:40,110 --> 00:19:42,690 I will go inside this loop inside this. 330 00:19:43,350 --> 00:19:43,860 Inside this. 331 00:19:43,860 --> 00:19:45,450 Because this is not loop sorry. 332 00:19:45,750 --> 00:19:48,860 Inside this Beckers and Wildwood will be in if. 333 00:19:49,320 --> 00:19:50,380 And what is the value of two. 334 00:19:50,430 --> 00:19:54,310 What does the value of a avil being reminded by events of the new value of phase two. 335 00:19:55,060 --> 00:19:56,370 So my output should be. 336 00:19:57,750 --> 00:20:00,810 And if and do, this should be my output. 337 00:20:01,900 --> 00:20:02,540 Let's see. 338 00:20:06,940 --> 00:20:08,440 OK, so output is enough. 339 00:20:08,590 --> 00:20:09,730 And to. 340 00:20:11,910 --> 00:20:13,890 Now, let's make some minor changes. 341 00:20:14,850 --> 00:20:15,750 So suppose. 342 00:20:17,570 --> 00:20:18,470 If it was. 343 00:20:22,680 --> 00:20:23,470 It is odd. 344 00:20:26,770 --> 00:20:28,120 So what does odysseys? 345 00:20:35,330 --> 00:20:36,080 So what will? 346 00:20:36,230 --> 00:20:37,220 So what will happen? 347 00:20:39,510 --> 00:20:45,240 So I am saying, Hmoud, but we'll be in it if and when this will be my output. 348 00:20:48,010 --> 00:20:48,220 Why? 349 00:20:49,180 --> 00:20:50,500 OK, so five more. 350 00:20:50,520 --> 00:20:53,920 Two is one, which is true, no doubt. 351 00:20:56,170 --> 00:20:58,420 So if this condition is through. 352 00:20:59,780 --> 00:21:03,470 If this condition is true, do I need to check this condition? 353 00:21:04,400 --> 00:21:06,500 No, there's no need to check this condition. 354 00:21:06,570 --> 00:21:06,800 Why? 355 00:21:07,310 --> 00:21:09,470 Because we are having or. 356 00:21:10,810 --> 00:21:11,950 OK, so. 357 00:21:13,320 --> 00:21:16,200 If any of this condition is true. 358 00:21:16,230 --> 00:21:21,340 So if this condition is true, there's no need to evaluate this condition. 359 00:21:21,810 --> 00:21:26,700 This condition will not be elevated because now it is going to be to only. 360 00:21:27,720 --> 00:21:31,510 OK, so a plus plus will not be ulcerated. 361 00:21:33,080 --> 00:21:38,070 So I will go inside this inside this records' and and if and a. 362 00:21:38,330 --> 00:21:39,050 Which is one. 363 00:21:39,330 --> 00:21:41,360 So enough and it will be my output. 364 00:21:43,270 --> 00:21:45,090 OK, so let me show you. 365 00:21:48,120 --> 00:21:51,450 So my output is and if and when. 366 00:21:52,780 --> 00:21:53,050 Okay. 367 00:21:54,900 --> 00:21:56,670 Now, let's do some changes again. 368 00:21:57,630 --> 00:21:59,940 So let's make it six. 369 00:22:03,500 --> 00:22:04,110 Now, see? 370 00:22:05,330 --> 00:22:07,130 So six more. 371 00:22:07,160 --> 00:22:08,660 Two is zero. 372 00:22:09,260 --> 00:22:09,960 Reminder zero. 373 00:22:10,020 --> 00:22:11,450 So this condition is false. 374 00:22:12,350 --> 00:22:12,650 OK. 375 00:22:12,920 --> 00:22:16,130 So since this condition is false, I will check this condition. 376 00:22:17,670 --> 00:22:17,930 OK. 377 00:22:18,310 --> 00:22:19,900 Because this condition is false. 378 00:22:21,100 --> 00:22:22,960 Then I will check this condition. 379 00:22:23,230 --> 00:22:27,970 So E-Plus plus Borst increment first A will be assigned. 380 00:22:28,180 --> 00:22:29,320 Which is one. 381 00:22:29,680 --> 00:22:30,850 So this condition is true. 382 00:22:31,330 --> 00:22:32,980 So this is false. 383 00:22:33,220 --> 00:22:34,280 This is true. 384 00:22:36,340 --> 00:22:42,860 Output is to some output will be an F and two output will be enough. 385 00:22:43,120 --> 00:22:44,480 And two wire. 386 00:22:44,770 --> 00:22:50,900 Because a plus plus statement is evaluated in the last example when it was five more. 387 00:22:51,050 --> 00:22:55,600 Two, this statement was not too elevated because there is no need to do. 388 00:22:55,640 --> 00:22:59,800 Look at that statement because my output is going to be true only. 389 00:23:00,360 --> 00:23:02,770 So in this case, my output will be in effect to. 390 00:23:04,870 --> 00:23:05,350 Let's see. 391 00:23:08,670 --> 00:23:10,110 So in f end, do. 392 00:23:12,670 --> 00:23:14,290 Now, one last thing. 393 00:23:15,250 --> 00:23:15,850 What if. 394 00:23:17,930 --> 00:23:18,530 It is. 395 00:23:18,710 --> 00:23:19,170 Let's see. 396 00:23:20,360 --> 00:23:20,720 And. 397 00:23:22,660 --> 00:23:23,390 So what do leave do? 398 00:23:23,590 --> 00:23:25,570 But if it is and. 399 00:23:26,910 --> 00:23:27,470 Let's see. 400 00:23:32,660 --> 00:23:37,700 So six more two equals zero is false. 401 00:23:39,220 --> 00:23:41,750 OK, so this condition is false. 402 00:23:42,400 --> 00:23:46,390 And we are having and so we will not to look at this condition. 403 00:23:47,140 --> 00:23:47,440 Why? 404 00:23:47,650 --> 00:23:48,880 Because there is no need. 405 00:23:49,390 --> 00:23:55,480 If this condition is true or this condition is false, my output is going to be false only because this 406 00:23:55,480 --> 00:23:55,990 is false. 407 00:23:56,260 --> 00:23:58,340 So my output is going to be false only. 408 00:23:58,870 --> 00:23:59,080 OK. 409 00:23:59,140 --> 00:24:01,720 It doesn't matter whether E-Plus Pleasance true or false. 410 00:24:01,750 --> 00:24:02,700 It doesn't matter. 411 00:24:03,760 --> 00:24:09,790 So this statement, the C++, will not be well written because my output is fixed, which is false. 412 00:24:10,240 --> 00:24:11,050 So I will come here. 413 00:24:12,420 --> 00:24:14,440 My out would really be in as. 414 00:24:14,770 --> 00:24:16,090 And what is the value of a. 415 00:24:17,030 --> 00:24:18,530 The value of phase one. 416 00:24:19,460 --> 00:24:22,490 OK, so Inês and venture boom output. 417 00:24:25,870 --> 00:24:27,230 And as and when. 418 00:24:28,360 --> 00:24:33,080 Now, with the help of these example, we have reached an important desert. 419 00:24:33,220 --> 00:24:36,730 And what is our desert evaluation 420 00:24:39,700 --> 00:24:43,180 of logical expression? 421 00:24:46,490 --> 00:24:47,180 Stops. 422 00:24:49,760 --> 00:24:50,690 As soon as. 423 00:24:53,700 --> 00:24:54,750 Final value. 424 00:24:57,160 --> 00:24:57,700 Is known. 425 00:24:59,550 --> 00:25:00,720 So what I want to say is. 426 00:25:02,400 --> 00:25:11,880 If first condition is false and I am having and and let's say X, so in this case, X will not to be 427 00:25:11,910 --> 00:25:17,430 evaluated, will not be evaluated. 428 00:25:17,510 --> 00:25:17,700 Why? 429 00:25:18,240 --> 00:25:20,400 Because my output is going to be false only. 430 00:25:21,330 --> 00:25:26,340 Similarly, if I am if I am having if through or. 431 00:25:26,830 --> 00:25:28,440 And let's say X condition. 432 00:25:28,890 --> 00:25:31,920 So here also X will not be evaluated. 433 00:25:32,830 --> 00:25:33,810 Why Y. 434 00:25:33,990 --> 00:25:36,960 Because my output is going to be true only. 435 00:25:37,430 --> 00:25:37,670 OK. 436 00:25:38,220 --> 00:25:42,390 So to explain this line, I have taken those examples. 437 00:25:42,690 --> 00:25:46,250 That evaluation of a logical expression stops. 438 00:25:46,920 --> 00:25:51,000 It will stop as soon as the final value is known. 439 00:25:51,390 --> 00:25:54,240 For example, in this case, if the first condition is false. 440 00:25:54,760 --> 00:25:56,520 There is no need to check this condition. 441 00:25:57,950 --> 00:26:01,880 Because my final value's going to be false only similarly if this is true. 442 00:26:02,130 --> 00:26:07,010 There is no need to check this condition because my output is going to be true because of this. 443 00:26:09,230 --> 00:26:11,020 OK, so this is very important. 444 00:26:14,210 --> 00:26:16,160 So I hope this thing is clear. 445 00:26:16,610 --> 00:26:20,930 When a police presence getting evaluated, when it is not getting well rated. 446 00:26:21,960 --> 00:26:22,200 OK. 447 00:26:23,330 --> 00:26:23,780 Thank you.