1 00:00:00,300 --> 00:00:01,440 ‫Welcome back. 2 00:00:01,740 --> 00:00:08,190 ‫So let's now try to install Python and its libraries for Windows. 3 00:00:08,550 --> 00:00:11,220 ‫So this is the Python website here. 4 00:00:11,640 --> 00:00:13,740 ‫And now we're going to open the file. 5 00:00:21,590 --> 00:00:26,240 ‫What we're going to do now, we're going to add Python to PATH. 6 00:00:26,660 --> 00:00:33,350 ‫I think it's important so that you could run your python code from whatever place in your computer. 7 00:00:33,860 --> 00:00:36,830 ‫And now let's customize the installation. 8 00:00:37,400 --> 00:00:42,320 ‫I personally don't need a documentation file, but you can leave it if you want. 9 00:00:42,440 --> 00:00:43,610 ‫The next. 10 00:00:43,880 --> 00:00:47,450 ‫Then we're going to put here install for all users. 11 00:00:52,400 --> 00:00:56,870 ‫And now do you want to allow this app to make changes to your device? 12 00:00:56,900 --> 00:00:57,830 ‫Yes. 13 00:00:58,280 --> 00:00:59,900 ‫And it's installing. 14 00:01:00,650 --> 00:01:07,370 ‫And so we have finished installing Python and we're going to close it now. 15 00:01:07,730 --> 00:01:13,340 ‫And so now we have our python and let's check if it works. 16 00:01:13,760 --> 00:01:17,890 ‫In our case, we will need to launch our programs from command prompt. 17 00:01:17,900 --> 00:01:21,740 ‫So I want to test it from command prompt. 18 00:01:21,980 --> 00:01:28,040 ‫The animation does not want to work well in ides like Spider or Jupyter Notebook. 19 00:01:28,070 --> 00:01:34,520 ‫The most robust way is to run it from terminal or from Windows Command prompt. 20 00:01:35,150 --> 00:01:39,680 ‫So I've opened a notepad and let's see if I can write a program here. 21 00:01:39,710 --> 00:01:46,370 ‫So I'm going to write here, print and then Hello World. 22 00:01:46,760 --> 00:01:49,730 ‫And now I'm just going to save it somewhere. 23 00:01:50,210 --> 00:01:52,100 ‫I'm going to save it like this. 24 00:01:52,490 --> 00:01:54,680 ‫So here, I'm going to put all files. 25 00:01:55,790 --> 00:01:58,220 ‫Hello, dot py. 26 00:02:01,000 --> 00:02:02,230 ‫And there you go. 27 00:02:05,060 --> 00:02:07,250 ‫Now I want my command prompt. 28 00:02:07,430 --> 00:02:08,690 ‫Here it is. 29 00:02:08,900 --> 00:02:12,860 ‫So now I need to find my way to desktop. 30 00:02:15,740 --> 00:02:18,740 ‫So see the desktop. 31 00:02:19,130 --> 00:02:21,080 ‫Now I'm here, dear. 32 00:02:21,410 --> 00:02:24,200 ‫And you see you have your halo dot pie here. 33 00:02:28,530 --> 00:02:29,640 ‫Can we run it? 34 00:02:32,890 --> 00:02:33,970 ‫We can. 35 00:02:34,210 --> 00:02:35,920 ‫And so it works. 36 00:02:36,790 --> 00:02:40,870 ‫But to run our simulations, we need a couple of libraries. 37 00:02:40,870 --> 00:02:44,980 ‫We need numpy, and we need math, blood lib. 38 00:02:45,640 --> 00:02:54,730 ‫So when we installed our python, then you can see that our pip here was also included or pip. 39 00:02:54,880 --> 00:02:58,510 ‫So that's Python package installer. 40 00:02:58,720 --> 00:03:07,390 ‫And in order to install NumPy, we need to make sure that this PIP is the newest one. 41 00:03:07,570 --> 00:03:18,640 ‫So we're going to write here python dash m pip install dash, dash, upgrade pip. 42 00:03:19,180 --> 00:03:26,290 ‫So it now says successful install pip and now let's install numpy. 43 00:03:26,560 --> 00:03:31,660 ‫I'm going to write pip install numpy. 44 00:03:32,110 --> 00:03:34,480 ‫Then two equal sines. 45 00:03:38,190 --> 00:03:39,750 ‫Now let's check if it works. 46 00:03:39,760 --> 00:03:45,900 ‫I'm going to right here, Python, and then I'm going to write here import numpy. 47 00:03:45,990 --> 00:03:48,900 ‫It didn't give me an error which is very good. 48 00:03:49,110 --> 00:04:00,060 ‫So this is our code here import numpy as np and then I'm going to write here print and p dot py. 49 00:04:00,360 --> 00:04:03,480 ‫So the py value and so now. 50 00:04:04,990 --> 00:04:14,290 ‫I'm going to write Exit and then I'm going to run this hello dot pie file and it gives me my pie value. 51 00:04:14,470 --> 00:04:24,310 ‫So that's very good because it means that we also have working pie here and now we need to install map 52 00:04:24,310 --> 00:04:25,180 ‫plot lib. 53 00:04:25,270 --> 00:04:32,110 ‫So I'm going to write here, pip install and then map plot lib. 54 00:04:32,140 --> 00:04:35,380 ‫Then I will put here two equal signs and then. 55 00:04:38,130 --> 00:04:41,430 ‫Okay so it says that successful installed.