Split an Email Address

Given an email address email that contains exactly one @, return a tuple (user, domain) with the part before the @ and the part after it.

Examples

Input:  email = "ada@example.com"
Output: ("ada", "example.com")

Input:  email = "@nd.edu"
Output: ("", "nd.edu")

Constraints

• 1 <= len(email) <= 200
• email contains exactly one @ and otherwise letters, digits, dots, dashes and underscores

Goals

• Locate a character with `find` or `index`
• Slice around that position
• Return two values as a tuple