To make a method an API method, we need to use @app.route()

@app.route('/getStudent', methods=['GET','POST'])

The html file should come under template folder. To call the html file from the method, we need to use

render_template('index.html')

To send any information to the html file, we need to use name attribute.

render_template('homepage.html',username="Ahamed")

In html file, we use to use this username with double curly braces

Hello {{username}}!

To get to know the current API method whether GET, POST, PUT, DELETE, we need to use:

if request.method == 'POST':