WEBVTT 0 00:00.050 --> 00:00.560 Hey, guys. 1 00:00.560 --> 00:04.040 Welcome to Day 14 of 100 Days of Code. 2 00:04.070 --> 00:09.620 Today you're going to spend building a exciting game called Higher or Lower. 3 00:09.890 --> 00:15.770 And if you want to have a go at it just go over to higherlowergame.com and click on Classic. 4 00:15.770 --> 00:22.340 So the classic version of higher lower is you compare one search term, "The Grand Budapest Hotel" which 5 00:22.340 --> 00:27.920 is a movie against another search term, "AFL", which is the Australian Football League. 6 00:27.920 --> 00:35.190 And you have to say if the second one has higher or lower searches than The Grand Budapest Hotel. 7 00:35.190 --> 00:37.170 So I think this probably has higher, 8 00:37.380 --> 00:39.450 and indeed I'm right. 9 00:39.630 --> 00:42.660 And now it gives you a new term to compare. 10 00:42.720 --> 00:47.250 So "Six Nations" Rugby versus "AFL", who has lower? 11 00:47.250 --> 00:48.870 I think this probably has lower, 12 00:48.870 --> 00:53.520 and I'm right. And you keep going until you get it wrong. 13 00:53.520 --> 00:56.830 And it's a weirdly addictive game for some reason. 14 00:57.250 --> 01:04.180 Okay, so now I've gotten it wrong and it tells me how many I got right as my score, and I can play again 15 01:04.180 --> 01:10.720 if I wish to. Have a play around with that game, because the final version we have looks a lot simpler, 16 01:10.720 --> 01:13.300 but it's still just as fun to play. 17 01:13.480 --> 01:20.630 Instead of comparing average monthly searches on Google, we're comparing who has more followers on 18 01:20.630 --> 01:21.440 Instagram. 19 01:21.440 --> 01:23.630 So we're bringing this game up to date. 20 01:23.720 --> 01:29.720 In this case, it's comparing Neymar, a footballer from Brazil, against Khloe Kardashian, a reality 21 01:29.720 --> 01:34.550 TV personality and businesswoman from the US who has more followers. 22 01:34.550 --> 01:39.560 So I think it's 'B', I could be wrong and I'm wrong. 23 01:42.500 --> 01:49.650 So here we're comparing Rihanna, a musician and businesswoman from Barbados, against Shakira, a musician 24 01:49.650 --> 01:50.520 from Colombia. 25 01:50.550 --> 01:53.310 So I'm going to guess probably Rihanna, 26 01:53.460 --> 01:54.780 and I get it right. 27 01:54.780 --> 02:02.970 So I get to score one point and this game continues on and on, until you get to the point where you get 28 02:02.970 --> 02:05.700 it wrong, same as the one that you saw before. 29 02:06.600 --> 02:07.650 And there we go. 30 02:07.660 --> 02:10.300 So I got 3 as my final score, 31 02:10.300 --> 02:12.940 and that's the end of the game. 32 02:13.180 --> 02:19.750 The aim of the game is to try and stay alive for as long as possible, and score as high as possible 33 02:19.750 --> 02:23.530 by thinking about who might be more popular than the other. 34 02:23.830 --> 02:25.690 Now here comes the interesting part, 35 02:25.690 --> 02:29.950 you're going to be coding up this game entirely by yourself. 36 02:30.040 --> 02:36.770 You're going to apply everything you've learned so far to understand how this game works by playing 37 02:36.770 --> 02:42.740 it quite a few times, going to this URL, and looking at all the specific nuances. 38 02:42.740 --> 02:44.270 What happens if you get it wrong? 39 02:44.270 --> 02:50.480 What happens if you get it right? And you're going to write the code all yourself, and you're probably 40 02:50.480 --> 02:55.940 going to need your skills of debugging to fix some problems as you go along as well. 41 02:56.060 --> 03:02.760 So the approach that I want you to take is first, think about the problem and then break down a large 42 03:02.760 --> 03:05.250 problem into smaller problems. 43 03:05.250 --> 03:10.200 This way you can tackle them one by one and it won't be so intimidating. 44 03:10.200 --> 03:15.870 Now step two, is to look at those problems and make a TODO list. 45 03:15.870 --> 03:22.510 Given the items on the TODO list, you're going to pick the one that you think is the easiest to begin. 46 03:22.600 --> 03:26.860 Let's say that maybe generating a random number. 47 03:26.860 --> 03:28.390 That's pretty simple, right? 48 03:28.390 --> 03:32.050 Well, in this to do list, that's the first one we're going to tackle. 49 03:32.170 --> 03:35.710 So in this case we're building a very simple dice game. 50 03:35.710 --> 03:36.070 Right? 51 03:36.070 --> 03:38.710 The game that you're going to be building is a lot more complex, 52 03:38.710 --> 03:41.650 it won't just have three to dos, but the idea is the same. 53 03:41.650 --> 03:44.980 Once you pick the task that you think is the easiest, 54 03:44.980 --> 03:50.350 generating a random number, then you're going to take that problem and you're going to break it down 55 03:50.350 --> 03:52.600 into comments in your code. 56 03:52.600 --> 03:58.360 So just as you've seen me do it for our previous projects, you're going to do the same thing. 57 03:58.360 --> 04:04.270 You're going to take that problem of generating a random number and then split it into different pieces. 58 04:04.270 --> 04:04.660 Right? 59 04:04.660 --> 04:09.850 First you probably have to import the random module, and then you probably have to use a function like 60 04:09.860 --> 04:12.560 randint() to generate a random integer. 61 04:12.770 --> 04:19.520 So now that you've taken a big problem and broken it apart into smaller problems, taken the easiest, 62 04:19.520 --> 04:25.310 smaller problem and break it down into comments in your code, then you're ready to start writing some 63 04:25.310 --> 04:25.850 code. 64 04:26.360 --> 04:29.540 So write code beneath the comments. 65 04:29.540 --> 04:35.290 Run your code, make sure that it does what you want it to do, and if it doesn't, then fix the code. 66 04:35.290 --> 04:37.930 And once you've done that, then it's back to the beginning, 67 04:37.930 --> 04:40.030 write more code under the comments, 68 04:40.030 --> 04:41.140 run more code, 69 04:41.140 --> 04:46.030 fix more code until you've managed to cross out that task. 70 04:46.030 --> 04:50.260 And then it's a case of tackling the next one that you think you can attempt. 71 04:50.260 --> 04:56.500 So this is the real skill of programmers taking something that's immensely complex and difficult, breaking 72 04:56.500 --> 05:01.840 it down into smaller problems, breaking it down further and then tackling them from the easiest to 73 05:01.840 --> 05:04.480 the hardest, and doing this one by one. 74 05:04.480 --> 05:08.380 Eventually, by the end, you end up with your final product. 75 05:08.380 --> 05:10.630 This is what I want you to do. 76 05:10.630 --> 05:16.810 So the first thing you are to do is to head over to the final version of the game, play it at least 77 05:16.810 --> 05:20.350 ten times just so you understand exactly how it works. 78 05:20.470 --> 05:25.100 Now you'll notice that there's three files in the starting code. 79 05:25.100 --> 05:33.440 One is the art.py that contains the logo and the versus symbol that shows up when it asks you to compare. 80 05:34.040 --> 05:38.750 So compare 'A' Cristiano Ronaldo versus 'B' Vin Diesel. 81 05:38.750 --> 05:41.120 And these are the art that you're going to display. 82 05:41.120 --> 05:46.040 And finally, and probably most importantly there is a file called game_data. 83 05:46.070 --> 05:49.890 Now game_data only contains a single variable. 84 05:49.890 --> 05:54.120 It's a list of dictionary entries. 85 05:54.210 --> 06:00.480 Each of these dictionaries have four keys, and the keys are the same for all of the entries. 86 06:00.480 --> 06:04.740 They've got a 'name', the name of the account, the follower_count, 87 06:04.740 --> 06:09.060 so how many followers in millions does that account have? 88 06:09.090 --> 06:15.940 So for example, Cristiano Ronaldo has 215 million followers, at least at the time when I compiled 89 06:15.940 --> 06:16.750 the data. 90 06:16.750 --> 06:19.030 And then it has a description, 91 06:19.030 --> 06:20.200 he's a footballer, 92 06:20.230 --> 06:22.450 or this is a social media platform, 93 06:22.450 --> 06:24.280 she's a musician and actress, 94 06:24.280 --> 06:30.040 and finally, the country that they're from. You're going to use all these pieces of information to 95 06:30.040 --> 06:33.340 construct a comparison line like this, 96 06:33.340 --> 06:40.640 "Compare A: Cristiano Ronaldo, a footballer from Portugal with B..." and you're going to ask the user to guess 97 06:40.640 --> 06:48.380 who has more followers, and if they get it right, they get to keep playing, where A now becomes the previous 98 06:48.410 --> 06:48.860 B. 99 06:49.040 --> 06:57.590 So Vin Diesel, who used to be B, now becomes A, and then you get to compare against a new person 100 06:57.590 --> 07:01.070 and it keeps on going until they get it wrong. 101 07:01.550 --> 07:07.590 That is the task ahead of you, and it's not going to be easy, but I think you can do it. 102 07:07.590 --> 07:10.350 So give this project at least an hour. 103 07:10.350 --> 07:11.970 You'll need to write the code, 104 07:11.970 --> 07:13.290 you'll need to fix problems, 105 07:13.290 --> 07:14.430 you'll need to debug, 106 07:14.430 --> 07:20.610 you'll need to test it quite a few times, but by the end of it you will emerge a stronger programmer, 107 07:20.610 --> 07:21.420 I promise. 108 07:21.420 --> 07:27.180 So good luck and make sure you have lots of struggle and I'll see you on the other side.