sg_function.py

def sendMyEmail(sender, recipient, subject, content):
    """
    Takes in email details to send an email to whoever.
    """
    # Sendgrid client
    email = Mail(
        from_email=sender,
        to_emails=recipient,
        subject=subject,
        html_content=content
    )
    
    # Sending the email 
    response = sg.send(email)
    
    # Returning either a successful message or not
    if response.status_code==202:
        return "Email has been accepted!"
    
    return "Email wasn't sent"