from flask import Flask
app = Flask(__name__)
#In Flask, URL rules can be added using either the @app.route() decorator or the app.add_url_rule() method.
@app.route('/')
def hello_world():
return '<center><h1><I>Hello World</I></h1></center>'
def bye_world():
return '<center><h1><I>Bye World</I></h1></center>'
app.add_url_rule('/bye', 'bye', bye_world)
if __name__ == "__main__":
app.run(debug = True)
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