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These are the user uploaded subtitles that are being translated: 1 00:00:00,000 --> 00:00:03,720 Hi and welcome to this new lecture, in this lecture you're going to learn how 3 00:00:03,720 --> 00:00:11,340 to set up Python in a Mac computer so if you are Windows user you can skip this 5 00:00:11,340 --> 00:00:15,089 lecture because you have a Windows computer and we explained how to set up 7 00:00:15,089 --> 00:00:19,859 platform on Windows previously in the previous lectures and the instructions 9 00:00:19,859 --> 00:00:26,730 or will also work for Linux computers because a Mac is based on Unix and so 11 00:00:26,730 --> 00:00:33,480 let's begin, first thing you need to know is that you already have Python on your 13 00:00:33,480 --> 00:00:39,629 Mac so Python comes shipped with Mac by default now let's go and open Python. 15 00:00:39,629 --> 00:00:47,280 I'm going to click here and then type terminal and then open a terminal app so 17 00:00:47,280 --> 00:00:54,270 terminal is equivalent of a command line on Windows and here no let's go ahead and 19 00:00:54,270 --> 00:01:01,020 open Python, you can simply call Python and if you see these three arrows there 21 00:01:01,020 --> 00:01:09,570 that means you are able to start a Python session so good news, however if you 23 00:01:09,570 --> 00:01:16,500 look here you'll see this is Python 2.7 so it's a bit outdated and the current 25 00:01:16,500 --> 00:01:22,409 version of python is Python 3 so it's recommended that you actually install 27 00:01:22,409 --> 00:01:30,659 Python 3 on your Mac or Linux instead of using the old version Python 2.7 because 29 00:01:30,659 --> 00:01:34,619 we're going to use a lot of libraries later on the course and some libraries 31 00:01:34,619 --> 00:01:43,290 may not be compatible for Python 2.7. You can still work with to python 2.7 if you 33 00:01:43,290 --> 00:01:49,740 take the responsibility to fix errors and compatibility issues that may arise 35 00:01:49,740 --> 00:01:57,360 as you learn Python, so it's going to be maybe some extra work, however I advise 37 00:01:57,360 --> 00:02:03,899 you to install Python 3, so I'm going to exit Python 2 and the Python 2 session, exit 39 00:02:03,899 --> 00:02:12,450 and two brackets and you go again back to the terminal. To install Python 3 open 41 00:02:12,450 --> 00:02:22,650 a browser and then you should go to python.org, then go to 43 00:02:22,650 --> 00:02:29,220 downloads and then install the latest version of Python which should be shown 45 00:02:29,220 --> 00:02:35,790 here so python 3.6 is the current version and that should download 47 00:02:35,790 --> 00:02:44,520 Python, you can see this bar in here and so please don't uninstall Python 2.7 if you 49 00:02:44,520 --> 00:02:50,670 are planning to install Python 3.6 because Python 2.7 is connected to your 51 00:02:50,670 --> 00:02:54,810 operating system so if you uninstall it it you may harm your operating 53 00:02:54,810 --> 00:03:02,310 system, so you may get some messy errors there so simply ignore python 2.7 and so 55 00:03:02,310 --> 00:03:08,280 leave it be, don't uninstall it and simply click on this package that 57 00:03:08,280 --> 00:03:14,850 you had just downloaded you should see the installation wizard so simply go 59 00:03:14,850 --> 00:03:22,620 and click continue, continue, continue again and read the license if you like. 61 00:03:22,620 --> 00:03:33,000 I'm going to go and click on agree and than install provide your user name in there, your 63 00:03:33,000 --> 00:03:42,240 Mac user name, click on install software and so finally the installation was 65 00:03:42,240 --> 00:03:51,600 smooth and it was successful, click on Close, I'm going to move it to trash. 67 00:03:51,600 --> 00:04:00,180 So the installation package and now go ahead and go back to terminal, so 69 00:04:00,180 --> 00:04:08,940 again if you enter Python you're going to get Python 2.7, so how do you get 71 00:04:08,940 --> 00:04:17,520 Python 3? Well exit and simply click Python 3 just like that execute and 73 00:04:17,520 --> 00:04:24,180 you'll see that this is Python 3.6. And yeah good luck. And so normally this 75 00:04:24,180 --> 00:04:29,730 is the command you will be using on Mac which means whenever I type Python on 77 00:04:29,730 --> 00:04:37,200 Windows you're going to type Python 3 on Mac or Linux as easy as that, so now you 79 00:04:37,200 --> 00:04:47,190 have Python installed and here you can do operations, you know you get the idea. 81 00:04:47,190 --> 00:04:55,860 However please note that what we do here we programming interactively so we're 83 00:04:55,860 --> 00:05:00,720 simply writing some lines with code but these lines will not be saved anywhere if 85 00:05:00,720 --> 00:05:05,070 we write them in this interactive Session, so what we want to do is we want 87 00:05:05,070 --> 00:05:11,550 to write scripts of code, so Python files which we can save, we can save the code 89 00:05:11,550 --> 00:05:16,920 and we can execute all the lines at one and we'll be doing that in the next 91 00:05:16,920 --> 00:05:22,920 lecture so please follow me and I hope it works for you and I'll talk to you in 93 00:05:22,920 --> 00:05:25,370 the next lecture. 5667