1 00:00:01,860 --> 00:00:09,200 OK, we're moving right along now, we just click the save to PNG thing we typed in Bob PNG and I'll 2 00:00:09,390 --> 00:00:10,320 pay attention to this. 3 00:00:10,320 --> 00:00:11,400 This is kind of important here. 4 00:00:11,410 --> 00:00:17,310 So if I type Bob PMG and then click save like we did in the last video, this is what we get. 5 00:00:17,550 --> 00:00:17,840 Right. 6 00:00:18,090 --> 00:00:21,210 Let's close this and run it again though, and let's do this again. 7 00:00:21,210 --> 00:00:22,620 Saved PNG this time. 8 00:00:22,630 --> 00:00:30,560 I'm just going to type Bob right now and I click save it outputs Bob now we need it to say Bob PNG. 9 00:00:30,810 --> 00:00:36,690 Now you and I know we need to type that PNG because we're saving this as a PNG image file. 10 00:00:37,170 --> 00:00:41,160 Your ordinary average person isn't going to know that necessarily. 11 00:00:41,340 --> 00:00:43,860 And they may not type Bob PNG. 12 00:00:43,920 --> 00:00:47,490 It might just type Bob or they just might type my image or whatever. 13 00:00:48,210 --> 00:00:53,130 But we need to make sure it says, Bob, PNG can't go forward unless it says dot PNG. 14 00:00:53,130 --> 00:00:58,860 So let's write a little code just to make sure even if they forget to type to be PNG or they don't know 15 00:00:58,860 --> 00:01:02,820 they need to, it will still end up being PNG. 16 00:01:02,820 --> 00:01:06,860 So we can basically ask, hey, what did it end with? 17 00:01:07,080 --> 00:01:07,290 Right. 18 00:01:07,380 --> 00:01:11,280 And we can do that by calling result dot ends with. 19 00:01:12,190 --> 00:01:14,660 And then passing that PNG. 20 00:01:15,650 --> 00:01:22,520 Now, this will essentially ask, does result end with PNG and it will return true or false? 21 00:01:22,820 --> 00:01:25,700 So now we can do an if statement, just a basic python if statement. 22 00:01:25,710 --> 00:01:26,780 So let's go if. 23 00:01:27,980 --> 00:01:29,790 Result ends with PNG. 24 00:01:30,380 --> 00:01:34,660 Don't do anything for now, we'll just we'll just pass if it ends in PNG, we're good. 25 00:01:34,670 --> 00:01:35,630 We don't need to do anything. 26 00:01:35,900 --> 00:01:38,600 But if it doesn't, else, well, then let's change it. 27 00:01:38,600 --> 00:01:39,800 To add PNG. 28 00:01:39,800 --> 00:01:41,120 We can add it ourselves right now. 29 00:01:41,120 --> 00:01:41,600 So let's go. 30 00:01:41,610 --> 00:01:45,620 Result equals result plus. 31 00:01:46,490 --> 00:01:48,960 And then we could just add that PNG ourselves. 32 00:01:49,550 --> 00:01:50,420 So now. 33 00:01:51,410 --> 00:01:53,750 And let's actually put this underneath. 34 00:01:55,250 --> 00:01:56,420 And let's test this out. 35 00:01:58,930 --> 00:02:07,390 So if they type in PNG, don't do anything, if they don't type in PNG, added ourselves and then print 36 00:02:07,390 --> 00:02:09,250 it out to the screen, so let's save this and run it. 37 00:02:14,420 --> 00:02:18,430 And let's save to PNG and let's go Bob, PNG. 38 00:02:18,590 --> 00:02:19,610 We did this before. 39 00:02:20,490 --> 00:02:24,530 OK, it prints out, Bob, that being that worked, let's run it again. 40 00:02:26,570 --> 00:02:32,520 This time, let's save it just to Bob, oops, we forgot to type in the pink ourselves. 41 00:02:32,810 --> 00:02:33,590 Click Save. 42 00:02:33,770 --> 00:02:37,430 It's still prints out Bob that PG because we're adding the pink ourselves. 43 00:02:37,670 --> 00:02:43,220 So now we've saved the day whether the person is smart or stupid or not, just stupid. 44 00:02:43,220 --> 00:02:44,990 But that's what I'm looking for. 45 00:02:44,990 --> 00:02:45,440 Ignorant. 46 00:02:45,440 --> 00:02:47,340 They don't know they need to type in PNG. 47 00:02:47,960 --> 00:02:50,660 This will make sure it gets saved as PNG anyway. 48 00:02:50,920 --> 00:02:52,790 OK, so we can get rid of this result label. 49 00:02:52,790 --> 00:02:54,500 We don't have to actually print this on the screen. 50 00:02:54,500 --> 00:03:00,800 I just did it to show you what this whole file dialogue box is returning any time you fill it out. 51 00:03:00,920 --> 00:03:04,760 And it also helped us er handle this thing right here, which we definitely need to keep. 52 00:03:05,000 --> 00:03:12,320 So OK, we're almost there where we've got our file name, we've got the extension correct. 53 00:03:13,490 --> 00:03:17,870 Now all we have to do is actually save the file and we'll start to look at that in the next video.