Hari Nair We can build complex web applications using Python. For that, we would need one of the third party Python web framework Flask . e:\python> pip install flask # flask #web2.py from flask import Flask app=Flask(__name__) @app.route("/") def hello(): return "Hello Chennai" e:\python> set FLASK_APP=web2.py to run the app server e:\python> flask run open browser and goto http://127.0.0.1:5000/ Another example #web4.py from flask import Flask , render_template app= Flask(__name__) @app.route("/") @app.route("/home") def home(): return render_template('home.html') @app.route("/about") def about(): return render_template('about.html') @app.route("/home2") def home2(): return render_template('home2.html') @app.route("/isdeep") def isdeep(): return render_template('isdeep.html') if __name__ == '__main_...