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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def example():
 """ Some example usage of different twilio resources. """

    client = Client(ACCOUNT_SID, AUTH_TOKEN)

    # Get all messages
    all_messages = client.messages.list()
    print('There are {} messages in your account.'.format(len(all_messages)))

    # Get only last 10 messages...
    some_messages = client.messages.list(limit=10)
    print('Here are the last 10 messages in your account:')
    for m in some_messages:
        print(m)

    # Get messages in smaller pages...
    all_messages = client.messages.list(page_size=10)
    print('There are {} messages in your account.'.format(len(all_messages)))

    print('Sending a message...')
    new_message = client.messages.create(to='XXXX', from_='YYYY', body='Twilio rocks!')

    print('Making a call...')
    new_call = client.calls.create(to='XXXX', from_='YYYY', method='GET')

    print('Serving TwiML')
    twiml_response = VoiceResponse()
    twiml_response.say('Hello!')
    twiml_response.hangup()
    twiml_xml = twiml_response.to_xml()
    print('Generated twiml: {}'.format(twiml_xml))