Creating a Flask Web App

Flask can be used to create a Web App, which can run from a server. You can obviously run this locally and use it as if it was fully live, this will allow you to develop the web app.

Setup - Simple Method

You will need to create a new folder for your web app:

Download this zip file and extract all of the contents to your new folder:

Now open IDLE, and from the file menu select new file. Now type in the following code:

from flask import Flask

app = Flask(__name__)
 
@app.route("/")
def hello():
    return "Hello World!"
 
if __name__ == "__main__":
    app.run()

Save this has demo.py, and it must be in the folder you created:

If you run the module from IDLE it will display errors, you should be able to double click on the demo.py file in the folder:

Finally open up your web browser and view the location displayed above: