Don't shadow library name in variable name

source/Code_Examples/python.md

@@ -15,13 +15,13 @@ We recommend using SendGrid Python, our client library, <a href="https://github.
 # using SendGrid's Python Library - https://github.com/sendgrid/sendgrid-python
 import sendgrid
 
-sendgrid = sendgrid.SendGridClient(api_user, api_key)
+sg = sendgrid.SendGridClient(api_user, api_key)
 message = sendgrid.Mail()
 
 message.add_to("[email protected]")
 message.set_from("[email protected]")
 message.set_subject("Sending with SendGrid is Fun")
 message.set_html("and easy to do anywhere, even with Python")
 
-sendgrid.send(message)
+sg.send(message)
 {% endcodeblock %}