1 00:00:00,870 --> 00:00:08,580 So there is an issue that we're going to take a look at this list, so these lists are generated by 2 00:00:08,580 --> 00:00:12,500 square brackets and these are used to store some elements in the prison. 3 00:00:12,840 --> 00:00:16,350 So these are used to store some inventory. 4 00:00:16,650 --> 00:00:25,050 Subject marks are groceries or some kind of things that come in one particular category are can also 5 00:00:25,320 --> 00:00:26,680 store different categories. 6 00:00:27,030 --> 00:00:34,320 So if you want to store books, you can find books is equal to and the available books in that market 7 00:00:34,320 --> 00:00:35,310 are in your store. 8 00:00:35,550 --> 00:00:42,510 So this is, uh, helpful for long items and we have more than 10 or 20 items. 9 00:00:42,510 --> 00:00:50,670 You can just prepare one list and you got to refer to the same category and two different elements in 10 00:00:50,670 --> 00:00:50,970 the list. 11 00:00:50,980 --> 00:00:52,100 I want to do list. 12 00:00:52,230 --> 00:00:53,850 I want to sell one. 13 00:00:53,850 --> 00:00:56,340 And I need to put the comma between the elements. 14 00:00:56,340 --> 00:00:59,330 One, two, three, four, five. 15 00:01:03,350 --> 00:01:10,430 So this is my list, and in the same way as we have access to the are the fingers in the index, we 16 00:01:10,430 --> 00:01:13,220 can access that each and every element using this index. 17 00:01:13,430 --> 00:01:19,090 So before that, first let me point out this URL and we'll see what output is look like. 18 00:01:22,320 --> 00:01:27,720 And you can see it as acceptable in the presentation of the pigmies type of. 19 00:01:34,030 --> 00:01:39,550 And as you can see, it's this class list, so you can also define the length of this list, which is 20 00:01:39,550 --> 00:01:42,750 the fight, and then get the answer right it. 21 00:01:43,090 --> 00:01:45,480 So the different number of elements in the list. 22 00:01:48,070 --> 00:01:51,000 As you can see, there are final agreements, we got the answer right. 23 00:01:56,160 --> 00:02:02,640 Now, this can also store some multiple batteries, so we have stored in just one, two. 24 00:02:03,420 --> 00:02:07,330 And now if I put the comma and I can also store my name. 25 00:02:07,830 --> 00:02:09,000 So here's the thing. 26 00:02:09,000 --> 00:02:16,700 And I can also say so you can also store multiple data in the same list if you're coming from another 27 00:02:16,710 --> 00:02:17,660 programming language. 28 00:02:17,850 --> 00:02:24,180 And this was discovered it and you can exclude only one data type in that area to declare an array of 29 00:02:24,180 --> 00:02:29,930 the type you can only store the integer elements in the garage door string are full. 30 00:02:31,320 --> 00:02:35,340 So let me go ahead and print this list and see what it looks like. 31 00:02:37,600 --> 00:02:47,710 And there you can see, uh, Naggar Ansari has been added there, and I told you, you can access the 32 00:02:47,710 --> 00:02:51,090 elements using this index, the same square brackets. 33 00:02:51,790 --> 00:02:55,020 Are you to set it up during the first element? 34 00:03:00,160 --> 00:03:06,880 And there is he got the one for I love to get the third element, which is three. 35 00:03:09,820 --> 00:03:17,520 And if I say I love minus one, you get the last element, you say, and you can also reverse the rift. 36 00:03:17,530 --> 00:03:27,080 Using the same method is to use to use from minus one to minus this one for this week. 37 00:03:27,300 --> 00:03:33,550 You can see the result has been reversed, consistent and Avani at the last. 38 00:03:36,120 --> 00:03:39,060 And there is also a method called reverse. 39 00:03:40,760 --> 00:03:47,180 And as you can see, how temporary that this record has been, uh, telling me, there are these methods 40 00:03:47,180 --> 00:03:51,680 available with, uh, starting with Ari, let me reverse. 41 00:03:53,880 --> 00:03:59,790 And there is no argument here for this by producer on this, so we have got. 42 00:04:00,070 --> 00:04:02,280 So what's this actually doing? 43 00:04:02,310 --> 00:04:09,270 Is it a particular matter which will, uh, modify the same list? 44 00:04:09,510 --> 00:04:15,290 So, you know, to call this as a separate function and then you need to Prenter. 45 00:04:17,990 --> 00:04:20,390 So as you can see now that it has been dorsa. 46 00:04:23,970 --> 00:04:31,380 So you can add some data to the list, uh, you can happen to the data at their event generally happens 47 00:04:31,380 --> 00:04:32,670 at the end of that list. 48 00:04:32,940 --> 00:04:35,040 That's certainly a no. 49 00:04:35,040 --> 00:04:37,960 Let's go ahead and put the whole list. 50 00:04:41,380 --> 00:04:48,370 As you can see, Nicole got a winner at the last hour, though, she can also insert at this particular 51 00:04:48,370 --> 00:04:49,000 index. 52 00:04:51,360 --> 00:05:00,240 And needless to say, I want to open it starting and then I want to specify the element I want to insert. 53 00:05:02,230 --> 00:05:07,340 Now, as you can see, Nicole has been seated at the jury, that is the first position and then the 54 00:05:07,340 --> 00:05:09,430 remaining elements have been shifted reports. 55 00:05:13,470 --> 00:05:14,550 So you can also. 56 00:05:21,490 --> 00:05:27,360 Or you can also get the index number out of the element Naggar. 57 00:05:28,960 --> 00:05:32,760 So this is the know one, two, three, four, fifth index. 58 00:05:32,770 --> 00:05:35,770 So you get down sort of like sorry. 59 00:05:37,950 --> 00:05:46,590 And you can also assign this value to a variable that Jesse and I'm going to print this. 60 00:05:50,550 --> 00:05:51,840 So the dancer fight. 61 00:05:56,860 --> 00:06:03,520 Now, you can also count the elements of this, if I have somebody to various. 62 00:06:05,650 --> 00:06:13,930 I can just say I lost count of I need to specify the value which I want to find the to. 63 00:06:14,350 --> 00:06:17,190 How many how many number of times it has been reported. 64 00:06:18,100 --> 00:06:27,050 So because there are two Nargus in this list and we also see the string concatenation that said this 65 00:06:27,050 --> 00:06:28,770 is one, this one has reached one. 66 00:06:29,290 --> 00:06:31,780 And I said this has reached total. 67 00:06:32,590 --> 00:06:35,920 And before that, first we will see how to complete the list. 68 00:06:36,730 --> 00:06:39,490 And you can say two is equal to 11. 69 00:06:39,700 --> 00:06:46,330 But if we change any modifications, we generally elements of this one, it will affect the list because 70 00:06:46,330 --> 00:06:50,300 it just pointing to that list one, but it's not an actual copy. 71 00:06:50,500 --> 00:06:54,040 So what do you need to say that copy? 72 00:06:56,960 --> 00:07:06,860 So now these are the different beasts now what I could do is I can just, uh, say everyone that happened 73 00:07:07,910 --> 00:07:09,840 off at certain. 74 00:07:12,100 --> 00:07:19,750 So I'm going to add some element of the last one, but it's not two, so now I'm going to bring those 75 00:07:19,750 --> 00:07:24,520 tourists to see the difference and it's a to. 76 00:07:28,050 --> 00:07:29,010 Let us run this. 77 00:07:31,390 --> 00:07:38,270 As you can see, we have added the temporary one, but not to the world, because we do has a different 78 00:07:38,600 --> 00:07:40,030 copy of this whole list. 79 00:07:40,400 --> 00:07:43,520 So if you want to to restore, do you need to sell to the. 80 00:07:46,790 --> 00:07:52,550 So you can also print like this around Plesser two, it will join those tourist. 81 00:07:55,230 --> 00:08:02,640 So as you can see, it has joined the tourists and you could just, uh, sign these tourists to separate. 82 00:08:05,760 --> 00:08:12,780 So I think that's about this we have covered some basic and the most the methods of this this.