{

"course_id": 12,

"course_title": "Python 3, an illustrated tour",

"chapters": [

{

"chapter_id": 12001,

"chapter_title": "Welcome to the course",

"lectures": [

{

"lecture_id": 120101,

"lecture_title": "Course Introduction",

"vimeo_id": 7111116972249486,

"subtitles": [

{

"seconds": 0,

"text": "Welcome to Python 3, An Illustrated Tour."

},

{

"seconds": 2,

"text": "I'm Matt Harrison and I'll be your host"

},

{

"seconds": 4,

"text": "through this nice trip on the new features of Python 3."

},

{

"seconds": 7,

"text": "Let me just give you an introduction"

},

{

"seconds": 9,

"text": "about what we're going to cover in this course."

},

{

"seconds": 11,

"text": "We're going to talk about the changes and new features in Python 3."

},

{

"seconds": 14,

"text": "So if you've been using Python 2 for a while and transitioned to 3"

},

{

"seconds": 18,

"text": "or you've started using 3, but aren't aware"

},

{

"seconds": 21,

"text": "of all the new features, this course is for you."

},

{

"seconds": 24,

"text": "Let me tell you a little bit about myself."

},

{

"seconds": 26,

"text": "I am the author of various Python books."

},

{

"seconds": 28,

"text": "I wrote the best-selling Illustrated Guide to Python 3."

},

{

"seconds": 31,

"text": "I have books on Pandas as well as the Tiny Python Notebook."

},

{

"seconds": 34,

"text": "I run a company called MetaSnake and I do Consulting and training for them."

},

{

"seconds": 38,

"text": "So I've trained companies big and small"

},

{

"seconds": 41,

"text": "and I'm really used to seeing how people cope with Python"

},

{

"seconds": 44,

"text": "and how people cope with the new features."

},

{

"seconds": 46,

"text": "I ran the Utah Python user group for five years."

},

{

"seconds": 49,

"text": "I've been using python since 2000"

},

{

"seconds": 52,

"text": "and I tweet about Python with my username @_ _mharrison_ _."

},

{

"seconds": 56,

"text": "Who is this course for?"

},

{

"seconds": 58,

"text": "Well, it's for old Python programmers"

},

{

"seconds": 60,

"text": "or those who have been using Python 2"

},

{

"seconds": 62,

"text": "and maybe have transitioned a Python 3"

},

{

"seconds": 64,

"text": "but are still programming it as if it were Python 2."

},

{

"seconds": 67,

"text": "It's also for new Python programmers, those who are just getting started"

},

{

"seconds": 70,

"text": "and want to sort of understand better the features"

},

{

"seconds": 73,

"text": "and cool syntax and benefits that Python 3 provides."

},

{

"seconds": 77,

"text": "So in general, this course is aimed for all those"

},

{

"seconds": 79,

"text": "who want to leverage the latest features of Python."

},

{

"seconds": 82,

"text": "Let's talk about what we're going to cover in this course."

},

{

"seconds": 85,

"text": "We're going to talk virtual environments"

},

{

"seconds": 87,

"text": "how you can make use of Pipenv in a Windows or Unix environment."

},

{

"seconds": 91,

"text": "We'll also be talking about Fstrings and how you can take advantage of those,"

},

{

"seconds": 95,

"text": "great new feature in Python 3."

},

{

"seconds": 97,

"text": "We'll also talk about what has changed in numbers since Python 2"

},

{

"seconds": 101,

"text": "some of the things that are happening under the covers"

},

{

"seconds": 103,

"text": "as well as some other features that you can take advantage of."

},

{

"seconds": 106,

"text": "We'll talk about classes, we'll dive into Super and learn how that works."

},

{

"seconds": 111,

"text": "We'll also talk about some of the new dunder methods in classes."

},

{

"seconds": 114,

"text": "We'll talk about functions, we'll talk about keyword only arguments"

},

{

"seconds": 117,

"text": "and we'll get into some of the fun stuff there."

},

{

"seconds": 120,

"text": "We'll look into the standard libraries"

},

{

"seconds": 122,

"text": "some of the new libraries in the standard library,"

},

{

"seconds": 124,

"text": "we'll look at the statistics module, we'll look at the enom module."

},

{

"seconds": 127,

"text": "We'll look at the pathlib module and show some examples from those."

},

{

"seconds": 131,

"text": "We'll also talk about some of the new syntax in Python 3"

},

{

"seconds": 134,

"text": "that isn't available and why you might want to use that."

},

{

"seconds": 138,

"text": "We'll look at the new async library,"

},

{

"seconds": 140,

"text": "we'll talk about how that functions under the covers, the mechanisms that that's using"

},

{

"seconds": 144,

"text": "and we'll look at cool things like asynchronous context managers,"

},

{

"seconds": 147,

"text": "asynchronous iterators and asynchronous generators."

},

{

"seconds": 150,

"text": "We'll also dive into annotations and see how you can take advantage"

},

{

"seconds": 153,

"text": "of this cool new feature to make your code more robust."

},

{

"seconds": 157,

"text": "In addition, we'll look at unicode,"

},

{

"seconds": 159,

"text": "this is native in Python 3"

},

{

"seconds": 161,

"text": "and we'll see some of the features that Python 3 supports"

},

{

"seconds": 164,

"text": "and allows you to do with the new Unicode functionality."

},

{

"seconds": 167,

"text": "We'll also look at some of the new annotation tools"

},

{

"seconds": 170,

"text": "that allow you to take advantage of the annotation syntax."

},

{

"seconds": 173,

"text": "And we'll also talk about the new features like generalized unpacking"

},

{

"seconds": 178,

"text": "and show some examples of that."

},

{

"seconds": 180,

"text": "So in addition to content, which I think is pretty good,"

},

{

"seconds": 183,

"text": "there's also a lot of labs for all these concepts"

},

{

"seconds": 187,

"text": "and you get to try your hand at these Labs"

},

{

"seconds": 190,

"text": "there are some cool self-correcting assignments that you'll get to do."

},

{

"seconds": 193,

"text": "And in addition, there are content walks through all the solutions to those"

},

{

"seconds": 197,

"text": "as well as the walks through common errors that people have"

},

{

"seconds": 200,

"text": "when they come across these things."

},

{

"seconds": 202,

"text": "It's a great way to try your hand out"

},

{

"seconds": 204,

"text": "and learn these new things and take advantage of them."

},

{

"seconds": 206,

"text": "I hope you enjoy this class and I hope that it makes your Python code"

},

{

"seconds": 211,

"text": "much cleaner, easier to read and more robust."

},

{

"seconds": 214,

"text": "Enjoy."

}

]

},

{

"lecture_id": 120102,

"lecture_title": "Course resources and source code",

"vimeo_id": 7111530185483682,

"subtitles": [

{

"seconds": 1,

"text": "I just want to share with you some motivation and some resources."

},

{

"seconds": 5,

"text": "I've taught a bunch of people Python over the years"

},

{

"seconds": 7,

"text": "and I've found that most people learn best when they can"

},

{

"seconds": 10,

"text": "in addition to just listening or watching, they can try something out."

},

{

"seconds": 13,

"text": "And so included with the course are a bunch of labs or assignments"

},

{

"seconds": 16,

"text": "for you to try out what we've talked about."

},

{

"seconds": 18,

"text": "I would advise you not to look at the solution videos"

},

{

"seconds": 21,

"text": "which are included in the course until you've tried out the labs,"

},

{

"seconds": 24,

"text": "that's going to help you get the most out of the course."

},

{

"seconds": 28,

"text": "Also, I want to give you this GitHub link here."

},

{

"seconds": 30,

"text": "This will give you all the resources for the course."

},

{

"seconds": 33,

"text": "So keep this handy while you're going through the course."

}

]

},

{

"lecture_id": 120103,

"lecture_title": "Installing Python on Windows",

"vimeo_id": 7111785294791504,

"subtitles": [

{

"seconds": 1,

"text": "In this screencast, we're going to look at how to install Python 3 on Windows 10."

},

{

"seconds": 5,

"text": "Typically, when I use Python in Windows,"

},

{

"seconds": 7,

"text": "I like to make sure that I understand how to use the prompt."

},

{

"seconds": 10,

"text": "So in order to launch the prompt you're going to go down"

},

{

"seconds": 12,

"text": "to the bottom of your taskbar"

},

{

"seconds": 15,

"text": "and where it says type here to search you can just type CMD"

},

{

"seconds": 17,

"text": "and then we'll pull up command prompt and you can run that."

},

{

"seconds": 21,

"text": "Now, you'll note here that when I type Python"

},

{

"seconds": 23,

"text": "it currently says the Python is not installed, so we want to remedy that."

},

{

"seconds": 27,

"text": "Let's go to the Python website and download Python 3."

},

{

"seconds": 31,

"text": "We're at the Python website and you can see if you scroll down a little bit"

},

{

"seconds": 35,

"text": "that there is a download link."

},

{

"seconds": 38,

"text": "We're going to click Python 3.6.4 which is the current version"

},

{

"seconds": 41,

"text": "at the time of this recording, you'll want to use"

},

{

"seconds": 44,

"text": "whatever Python 3 version is listed there below."

},

{

"seconds": 48,

"text": "Inside of here, you'll see a bunch of things listing peps and whatnot"

},

{

"seconds": 53,

"text": "and you can scroll down and we'll get the files here at the bottom."

},

{

"seconds": 58,

"text": "And typically, you'll probably want to either install"

},

{

"seconds": 60,

"text": "a Windows 64-bit or Windows 32-bit, I am going to do a window 64-bit."

},

{

"seconds": 66,

"text": "That should work on most modern machines."

},

{

"seconds": 69,

"text": "There's a couple of different versions here."

},

{

"seconds": 71,

"text": "There's what they call an embeddable zip file."

},

{

"seconds": 73,

"text": "There's an executable installer and there's a web-based installer."

},

{

"seconds": 76,

"text": "I'm going to download the executable installer."

},

{

"seconds": 79,

"text": "So just click on that and download it."

},

{

"seconds": 81,

"text": "This will download for a minute."

},

{

"seconds": 84,

"text": "After that's downloaded, you'll see that there's a file here"

},

{

"seconds": 86,

"text": "called Python 3.6.4 AMD we'll just double click on that"

},

{

"seconds": 89,

"text": "and that should install Python for us."

},

{

"seconds": 92,

"text": "Now, this is where you want to be careful."

},

{

"seconds": 94,

"text": "You'll see that there are various ways to install it"

},

{

"seconds": 96,

"text": "and one thing that you need to make sure is"

},

{

"seconds": 98,

"text": "that you click this add python 3.6 to path."

},

{

"seconds": 101,

"text": "If you don't click that, when I type Python at the command prompt, it won't find it."

},

{

"seconds": 105,

"text": "So I'm going to click that."

},

{

"seconds": 107,

"text": "I'm also going to choose customized installation"

},

{

"seconds": 109,

"text": "note that the normal installation is going to put it in this"

},

{

"seconds": 111,

"text": "C:\\Users\\matt\\AppData\\Local\\Pograms\\Python\\Python36 directory"

},

{

"seconds": 115,

"text": "and I'm just going to say customize and I'm going to install for all users."

},

{

"seconds": 120,

"text": "So it will put it in the C:\\Program Files\\Python36"

},

{

"seconds": 126,

"text": "it's going to ask if I want to install it, I'll say yes,"

},

{

"seconds": 132,

"text": "it will think for a little bit and install Python."

},

{

"seconds": 136,

"text": "Okay, it looks like it's installed. I'm just going to close this."

},

{

"seconds": 141,

"text": "Let's go back to our prompt here."

},

{

"seconds": 146,

"text": "Remember type CMD down there and let's type Python."

},

{

"seconds": 149,

"text": "You can see that after I type Python it's now put me in the Python interpreter"

},

{

"seconds": 153,

"text": "where I can execute Python code,"

},

{

"seconds": 155,

"text": "to get out of this, I type quit and that will put me back into the prompt. 02:39 Note that I can also do things such as type python -m idlelib.idle"

},

{

"seconds": 165,

"text": "and it will launch idle, this is a Python editor that comes with Python."

},

{

"seconds": 171,

"text": "Note that a couple other things that it will do"

},

{

"seconds": 174,

"text": "is that if you scroll down here you'll see that there is a Python directory here"

},

{

"seconds": 180,

"text": "and you can click on this idle here to launch idle,"

},

{

"seconds": 184,

"text": "which will launch idle that way,"

},

{

"seconds": 187,

"text": "alternatively you can launch Python by clicking this as well."

},

{

"seconds": 193,

"text": "This will open a command prompt with Python,"

},

{

"seconds": 196,

"text": "but I really prefer just to go down here and type CMD to launch Python here"

},

{

"seconds": 202,

"text": "and note that we'll talk about virtual environments."

},

{

"seconds": 206,

"text": "When I launch Idle from the launcher here, we're using the system idle"

},

{

"seconds": 210,

"text": "and when we start using virtual environments"

},

{

"seconds": 213,

"text": "we'll probably want to launch idle"

},

{

"seconds": 215,

"text": "or other programs from our virtual environment."

},

{

"seconds": 217,

"text": "So rather than launch it from there,"

},

{

"seconds": 220,

"text": "I prefer using this Python -m idlelib.idle to launch idle."

},

{

"seconds": 226,

"text": "Great, hopefully after you've done this"

},

{

"seconds": 228,

"text": "you've been able to get Python on your Windows 10 machine working."

}

]

},

{

"lecture_id": 120104,

"lecture_title": "Video player: A quick feature tour",

"vimeo_id": 232533419,

"subtitles": [

{

"seconds": 0,

"text": "Welcome to your course i want to take just a quick moment to take you on"

},

{

"seconds": 4,

"text": "a tour, the video player in all of its features so that you get the"

},

{

"seconds": 7,

"text": "most out of this entire course and all the courses you take with us so you'll"

},

{

"seconds": 11,

"text": "start your course page of course,"

},

{

"seconds": 12,

"text": "and you can see that it graze out and collapses the work they've already done so"

},

{

"seconds": 17,

"text": "let's, go to the next video here opens up this separate player and you could"

},

{

"seconds": 21,

"text": "see it a standard video player stuff you can pause for play you can actually skip"

},

{

"seconds": 27,

"text": "back a few seconds or skip forward a few more you can jump to the next"

},

{

"seconds": 31,

"text": "or previous lecture things like that shows you which chapter in which lecture topic you're learning"

},

{

"seconds": 36,

"text": "right now and as other cool stuff like take me to the course page,"

},

{

"seconds": 39,

"text": "show me the full transcript dialogue for this lecture take me to get home repo where"

},

{

"seconds": 44,

"text": "the source code for this course lives and even do full text search and when we"

},

{

"seconds": 48,

"text": "have transcripts that's searching every spoken word in the entire video not just titles and description"

},

{

"seconds": 55,

"text": "that things like that also some social media stuff up there as well."

},

{

"seconds": 59,

"text": "For those of you who have a hard time hearing or don't speak english is your"

},

{

"seconds": 64,

"text": "first language we have subtitles from the transcripts,"

},

{

"seconds": 67,

"text": "so if you turn on subtitles right here,"

},

{

"seconds": 70,

"text": "you'll be able to follow along as this words are spoken on the screen."

},

{

"seconds": 74,

"text": "I know that could be a big help to some of you just cause this is"

},

{

"seconds": 76,

"text": "a web app doesn't mean you can't use your keyboard."

},

{

"seconds": 78,

"text": "You want a pause and play?"

},

{

"seconds": 80,

"text": "Use your space bar to top of that,"

},

{

"seconds": 82,

"text": "you want to skip ahead or backwards left arrow,"

},

{

"seconds": 84,

"text": "right? Our next lecture shift left shift,"

},

{

"seconds": 87,

"text": "right went to toggle subtitles just hit s and if you wonder what all the hockey"

},

{

"seconds": 91,

"text": "star and click this little thing right here,"

},

{

"seconds": 93,

"text": "it'll bring up a dialogue with all the hockey options."

},

{

"seconds": 96,

"text": "Finally, you may be watching this on a tablet or even a phone,"

},

{

"seconds": 99,

"text": "hopefully a big phone, but you might be watching this in some sort of touch"

},

{

"seconds": 102,

"text": "screen device. If that's true,"

},

{

"seconds": 104,

"text": "you're probably holding with your thumb,"

},

{

"seconds": 106,

"text": "so you click right here. Seek back ten seconds right there to seek ahead thirty"

},

{

"seconds": 109,

"text": "and, of course, click in the middle to toggle play or pause now on"

},

{

"seconds": 113,

"text": "ios because the way i was works,"

},

{

"seconds": 116,

"text": "they don't let you auto start playing videos,"

},

{

"seconds": 118,

"text": "so you may have to click right in the middle here."

},

{

"seconds": 120,

"text": "Start each lecture on iowa's that's a player now go enjoy that core."

}

]

}

]

},

{

"chapter_id": 12002,

"chapter_title": "Virtual Environments",

"lectures": [

{

"lecture_id": 120201,

"lecture_title": "Installing Pipenv on Windows",

"vimeo_id": 7111968730331063,

"subtitles": [

{

"seconds": 1,

"text": "In this video, we're going to look at how to install the tool pipenv,"

},

{

"seconds": 3,

"text": "which is the recommended way to install Python packages"

},

{

"seconds": 6,

"text": "and create virtual environments in Python 3."

},

{

"seconds": 9,

"text": "This is kind of tricky to install on windows, so I'll show you how we do it."

},

{

"seconds": 13,

"text": "First let's launch a command prompt by typing cmd into the search box here"

},

{

"seconds": 17,

"text": "and we'll see that we don't have access to pipenv right now,"

},

{

"seconds": 21,

"text": "but we do have access to Python."

},

{

"seconds": 23,

"text": "Okay, so we have Python installed, but we don't have pipenv installed."

},

{

"seconds": 27,

"text": "So let's install pipenv."

},

{

"seconds": 30,

"text": "Pipenv wraps virtual environment creation"

},

{

"seconds": 32,

"text": "and pip utility into one nice little command line tool"

},

{

"seconds": 38,

"text": "and in order to use it, we have to install it"

},

{

"seconds": 41,

"text": "so we can install it using Python and saying -m I want to run the module pip"

},

{

"seconds": 47,

"text": "install pipenv and we'll try and install it here."

},

{

"seconds": 51,

"text": "When I'm running this command, it's installing it into the system Python."

},

{

"seconds": 55,

"text": "It's going to think for a while but it's going to give me an error"

},

{

"seconds": 58,

"text": "because it couldn't install it into a certain directory"

},

{

"seconds": 60,

"text": "because it doesn't have access to do that,"

},

{

"seconds": 62,

"text": "and that might seem annoying or problematic"

},

{

"seconds": 65,

"text": "but it can be okay as well because what it allows us to do is"

},

{

"seconds": 69,

"text": "sandbox our system install and not have any user trampling on top of it."

},

{

"seconds": 76,

"text": "I want to install it, instead it's doing what's called a user install."

},

{

"seconds": 79,

"text": "So I'll show you how to do that."

},

{

"seconds": 81,

"text": "Rather than saying python -m pip install pipenv,"

},

{

"seconds": 85,

"text": "I'm going to add a --user option here"

},

{

"seconds": 88,

"text": "and this is going to try and install it again."

},

{

"seconds": 94,

"text": "And it looks like it worked this time."

},

{

"seconds": 95,

"text": "Let's try and run pipenv and we can see that pipenv did not run."

},

{

"seconds": 99,

"text": "Why didn't it run? It's because our path can't find it,"

},

{

"seconds": 103,

"text": "because we did a user install the directory"

},

{

"seconds": 105,

"text": "where a user install binary is installed is not in our path."

},

{

"seconds": 109,

"text": "We can look at our path by saying echo %path%"

},

{

"seconds": 113,

"text": "and we can see also where the path that the user install goes in"

},

{

"seconds": 117,

"text": "by saying Python -m site --user-base."

},

{

"seconds": 123,

"text": "So inside of this app data roaming Python"

},

{

"seconds": 126,

"text": "is a directory that has our new pipenv guy, let's look at that."

},

{

"seconds": 131,

"text": "It's going to say dir app data roaming Python"

},

{

"seconds": 135,

"text": "and inside of Python there's a Python 3.6 directory"

},

{

"seconds": 137,

"text": "and inside that, there's a scripts directory"

},

{

"seconds": 140,

"text": "and that's where our pipenv executable is."

},

{

"seconds": 142,

"text": "So what I want to do is copy this directory right here"

},

{

"seconds": 145,

"text": "I'll just highlight it and hit enter and if I go down here into my search box"

},

{

"seconds": 149,

"text": "and type env, that will allow me to update my environment variable."

},

{

"seconds": 153,

"text": "I'll just click at the bottom there, environment variable"

},

{

"seconds": 155,

"text": "click on path and say edit"

},

{

"seconds": 158,

"text": "and I'm going to say new I want to add a new environment variable path"

},

{

"seconds": 162,

"text": "and just paste in what I copied there."

},

{

"seconds": 164,

"text": "I can say edit. Okay. Okay. Okay,"

},

{

"seconds": 167,

"text": "now note that pipenv will not work in this command prompt."

},

{

"seconds": 170,

"text": "So I'm going to close it, but I'll launch another one here"

},

{