new_contents: import io
  import json
  from twilio.rest import TwilioRestClient 
  
  with io.open('config_twilio_secret.json') as cred:
      creds = json.load(cred)
      ACCOUNT_SID = creds['ACCOUNT_SID']
      AUTH_TOKEN = creds['AUTH_TOKEN']
  
  client = TwilioRestClient(ACCOUNT_SID, AUTH_TOKEN)
  
  def send_uber_text():
      client.messages.create(
          to="+12039803811",
          from_="+12036803769", 
          body="Hi Shijie! Your Uber is en route! Your driver John (4.9 stars) will pick you up in 4 minutes.", 
          media_url="https://d1a3f4spazzrp4.cloudfront.net/uberex-sandbox/images/driver.jpg",
      )
  
      print "success"
      return "success"
  
subject: make config file for twilio api