SMS Birthday Card Step 4: Add a HELP keyword.

app.py

from flask import Flask
from flask import request
import os
from random import choice
from twilio import twiml


app = Flask(__name__)


@app.route('/sms', methods=['POST'])
def sms():
    r = twiml.Response()
    reason = reasonSonyaIsAwesome()
    if request.form['Body'].upper() == "HELP":
        r.sms("Welcome to the Reasons Sonya Is Awesome Hotline.  Text GIMME " \
                "to get one random reason Sonya is awesome.")
    else:
        r.sms(reason)
    return str(r)


def reasonSonyaIsAwesome():
    reasons = [
            'Alex: You hate the Giants.',
            'Kent: You have a great sense of humor.',
            'Ellen: Your brain is is awesome.',
            'Becca: You are a good listener and has a fantastic perspective.',
            'Rob: Your family comes first.',
            'Bill: You speak Russian.  LOUD.']
    return choice(reasons)


if __name__ == '__main__':
    port = int(os.environ.get('PORT', 5000))

    if port == 5000:
        app.debug = True

    app.run(host='0.0.0.0', port=port)