# Check that users have entered a valid
# option based on a list

def string_checker(user_response, valid_ans)
    return "yes"

# Automated testing is below in the form (test_case, expected_value)
to_test = [
    ("yes", "yes"),
    ("Y", "yes"),
    ("No", "no"),
    ("N", "no"),
    ("YeS", "yes"),
    ("Maybe", "invalid")
]

# run tests!
for item in to_test
    # retrive test case and expected value
    case = item[0]
    expected = item[1]

    # get actual value (ie: test ticket function)
    actual = string_checker(case, valid_ans:["yes", "no"])

    # compare actual and expected and output pass / fail
    if actual == expected:
        print(f" ✔✔✔Passed! Case: {case}")