Python Flask Tutorial: Full-Featured Web App Part 1 - Getting Started

In this Python Flask Tutorial, we will be learning how to get started using the Flask framework. We will install the necessary packages and get a basic Hello World Application running in our browser. Let's get started...

The code for this series can be found at:

Django Tutorials to create this same application:

Python Installation:

Virtual Environment Setup:

Sublime Text Setup:

If name equals main explanation:

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#Python #Flask

[roohas]

taught me more in 17 mins than my lecturers did in a year, thank you!

[jamaalbuckley]

I can't thank you enough for these tutorials. You have made learning Flask (and other Python modules) MUCH easier, explained in terms that the person who is learning to code on their own (like me) can easily understand. Thanks again.

[pearlearring]

Thank you so much for these tutorials Corey. I greatly appreciate your work. I don’t know what would have I done without these tutorial😭. The best programming channel on Youtube.👌🏻

[sarthakvashisth]

You are a very good teacher Corey. The way you explain concepts is extraordinary. I started watching your video tutorials since 3-4 months and I will recommend every programmer who wants to learn python to watch your videos. Keep up the good work man.

[novicetech]

Hey Corey - Another truly awesome tutorial series. This seems way easier than django. When I first started with Python I never dreamed I would get this far. Thanks to you I've exceeded my own expectations. Just joined your patreon too. It's not much, but it's my way of saying thank you for all you give to us wanna be geeks :-)

[randylloberalara]

Hey Corey, I'm a CS student that happened to learn C# as my first language and been leaving in Visual Studio for a couple of years now. I decided I wanted to learn Python and was so lucky because I came across your channel. Just wanted to say thank you for the amazing content you putting out there and for all the help. Joined the channel right away, although monetarily it's not much, its my way to appreciate your effort.

[hritabanroy]

I tried read the documentation, stumbled through several YouTube videos till I found this gold. Simple and amazing! Love how you didn't bombard information at our face and it was actually understandable even for someone learning web frameworks for the first time.

[danielsjodin]

Just love all your videos Corey! And this last series is if possible better then the others. The audio quality, the pace, details and that you build something from ground up using applicable tools like Bootstrap is a few things I appreciate. Keep em coming :)

[frankfunk]

I read about this in 'Flask web development'. Spent probably a good hour on it and didn't understand things half as good as via your video in 17 mins. Thank you!

[easontee]

Watching tutorial videos are better than reading a wall of texts. Very good explanation and demonstration!

[twhizzay]

You're the best Corey! Concisely taught. What every teacher should strive to do in their educational videos.

[CorySchneiderOfficial]

I ran through this tutorial series copying everything line by line and I'm on my second go now, but will follow along while building my own web app from a previously CLI only program I've been working on so my coworkers can use it, too.
Thanks Corey for such an amazing YouTube channel!

[jl_woodworks]

Hi Corey, I just became a patron for you. I really appreciate your efforts, please keep being the great teacher you are.

[WebPhoenix]

For those watching in 2023 for this video some commands have changed for running flask:
to start a development server => `flask --app <nameOfFlile> run` and not `flask run` and to enable debug mode it is: `flask --app <nameOfFlile> run --debug` and not `set or export(for mac or unix user) FLASK_DEBUG=1`
I suggest you open up the documentation along while watching the tutorial

[espressoshot]

Thank you so much for making this tutorial series. I checked out another one before this and it was confusing as hell but you touch bases on every components, and it really helps.

[scanlan]

I have flailed at Flask for a while now. This approach works. I bit the bullet and am doing everything I see in the tutorial. The concepts are ringing loud and clear. Thank you, Corey. During this virus crisis you are helping restore my sanity.

[ashishdeora]

Thank you, Corey, for this amazing masterpiece. The entire developer community is obliged to you :)

[richardpilhofer]

This the proper way to do a tutorial. Show people how to make something useful. Thank you sir.

[MrKkfar]

@Corey You are probably 'the most fantastic teacher' I have come across all my life. You make complex subjects look so wonderfully simple that it's like "Now you don't get and now you do!". My full tributes to your way of teaching. God bless you!

[isaacbawangisah]

Great work done! I think this tutorial was uploaded 5 years ago but it is still more relevant than ever. Thank you very much.