Python code utilizing a called function def problem_ten(email_list):

10. Write a function that will take in a list of email addresses and return the domain and extension of each. If there are multiple emails with the same domain and extension, do not duplicate in your list. For example, if the emails passed are: [testOne@gmail.com, testTwo@gmail.com, testThree@yahoo.com], your function should just return: [gmail.com, yahoo.com] input: list output: list