send_sms.py

from twilio.rest import Client


# Your Account Sid and Auth Token from twilio.com/console
account_sid = 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
auth_token = 'your_auth_token'

client = Client(account_sid, auth_token)

message = client.messages \
                .create(
                     body="Heyy. This is your Raspberry Pi",
                     from_='+1xxxxxxxxxx',
                     to='+91xxxxxxxxxx'
                 )

print(message.sid)