whatsapp boot in python

# Required Libraries: twilio, flask

from flask import Flask, request
from twilio.twiml.messaging_response import MessagingResponse

app = Flask(__name__)

@app.route("/bot", methods=['POST'])
def bot():
    incoming_msg = request.values.get('Body', '').lower()
    resp = MessagingResponse()
    msg = resp.message()
    responded = False

    if 'hello' in incoming_msg:
        msg.body('Hello! How can I assist you today?')
        responded = True

    if 'help' in incoming_msg:
        msg.body('Sure, how can I help you?')
        responded = True

    if not responded:
        msg.body('Sorry, I didn\'t get that. Can you please clarify?')

    return str(resp)

if __name__ == "__main__":
    app.run(debug=True)