from validator_collection import checkers
# you might want to execute "pip install validator-collection" first
is_email_address = checkers.is_email('test@domain.dev')
# The value of is_email_address will now be True
is_email_address = checkers.is_email('this-is-an-invalid-email')
# The value of is_email_address will now be False
# Or if you want to pass in a variable
email = input('Please enter email: ').strip()
is_email_address = checkers.is_email(email)
# Or better yet
is_email_address = checkers.is_email(input('Please enter email: ').strip())