How to setup simple flask application

[MyrinNew]

What is flask?

Flask is one of the lightweight framework of python, which is based on web application,(i.e) can build web applications using python with flask application.

1. Create a folder of your choice
2. Create file name app.py
3. Insert the below code

from flask import Flask // importing Flask class from flask
app = Flask(__name__) //

@app.route('/') //decorator tells Flask what URL should trigger our function.
def hello_world():
return 'Hello, World!'

if __name__ == "__main__":
app.run(debug=True) // starts flask dev. server with debug mode to log errors.

1. open the root folder of app.py eg: flask_app/
2. run this on terminal

pip install flask
python app.py

1. open browser, navigate to http://127.0.0.1:5000/ , you will see output
   Hello, World! [due to technical difficulties could not able to attach the screenshot]

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