From Zero to Flask: The Professional Way

From Zero to Flask: The Professional Way

 Learn Flask Development using the latest Flask version 1.0.2

This course will teach you flask, assuming no prior coding knowledge, how to develop back end web applications the way professional coders do in the top internet startups. How do I know this? Because I’ve been leading tech teams in both large enterprise as well as startup companies in New York City for the past 15 years.

I have seen a lot of courses and  free tutorials and I can tell you 90% of them just teach bad habits while promising to turn you into a real “web developer”.

What this flask course Teach you?

This course doesn’t promise to turn you into a professional back end developer after you complete it — it takes much more than the 4 hours of of this course (and probably hundreds of hours of self-practicing) to do that, but it will give you a solid foundation from where to start and continue your training, knowing the right path to become a real professional backend web applications developer using Python.

The course goes through a step by step process of setting up your environment, introducing Flask. It then moves to explore SQL databases, using MySQL and finally showing you how to develop a blogging application using all these learnings.

Best of all, you don’t need to own a computer to take this course, if you don’t own one. You can complete this course from an internet or cyber cafe, as we teach how to to use both locally installed files or an online coding platform.


At the end of the course students will be challenged with a final project where all the course material will need to be used to complete it. Students that finish the final project will be eligible for special future promotions.

If you are interested in learning how to code from zero and without prior knowledge, but do it using best industry practices towards becoming a professional backend web developer, this is the course for you.

The course is divided in 7 sections:

  • Introduction

  • Your Development Environment

  • Say Hello World

  • Setting up our Database

  • A Visitor Counter

  • Flogger: A Personal Blog Application

  • Final Project

    flask web application development example code

Here is a simple example of a Flask web application development:

from flask import Flask, request, render_template

app = Flask(__name__)

def home():
    return "Hello, World!"

def greet():
    name = request.args.get("name")
    return render_template("greet.html", name=name)

if __name__ == "__main__":

This example uses the request module from Flask to access query parameters and the render_template method to render an HTML template. You can create a greet.html file in a templates folder to define the template:

<!DOCTYPE html>
  <h1>Hello, {{ name }}!</h1>

To run the application, save the code in a file named and run the following command in your terminal:

flask run

Now, you can access the application in your web browser at http://localhost:5000/ and the greeting page at http://localhost:5000/greet?name=John.

Benefits of the flask course

The course has more than 4 hours of video tutorials as well as the source code of all the lessons, so that you can see exactly what the whole project looks like in each stage.

The course can take anywhere from 7 days to a month to complete based on how much material the student completes daily.

Additionally we’re constantly updating the course, adding contents thanks to the feedback of our students.

So stop looking around and start the right path to becoming a professional Python backend web developer with this course!

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