old_contents: # /usr/bin/env python
  # Download the twilio-python library from twilio.com/docs/libraries/python
  from twilio.rest import TwilioRestClient
  
  # Find these values at https://twilio.com/user/account
  account_sid = "ACXXXXXXXXXXXXXXXXX"
  auth_token = "YYYYYYYYYYYYYYYYYY"
  
  client = TwilioRestClient(account_sid, auth_token)
  
  client.messages.create(
      to="+12316851234",
      from_="+15555555555",
      body="Hello there!")
  
new_contents: # /usr/bin/env python
  # Download the twilio-python library from twilio.com/docs/libraries/python
  from twilio.rest import TwilioRestClient
  
  # Find these values at https://twilio.com/user/account
  account_sid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
  auth_token = "your_auth_token"
  
  client = TwilioRestClient(account_sid, auth_token)
  
  client.messages.create(
      to="+12316851234",
      from_="+15555555555",
      body="Hello there!")
  
subject: Use standard placeholder values