# checks users entered a valid option option based on a list
# option based on list
def string_checker(user_response, valid_ans):
    while True:

        # GET RESPONSE AND MAKE SURE IT IS ALL LOWERCASE
        user_response = user_response.lower()
        for item in valid_ans:
            # check if the user response is a word in the list
            if item == user_response:
                return item

            # check if the user respnse is the same as
            # the first letter of an item in the list
            elif user_response == item[0]:
                return item


        return "invalid"


# Automated testing is below in the form (test_case, expected value)
to_test = [
    ("Rock", "rock")
    ("PAPER", "paper")
    ("scissor", "scissor"),
    ("R", "rock"),
    ("p", "paper"),
    ("S", "scissors"),
    ("XXX", "xxx"),
    ("x", "xxx"),
    ("random", "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, ["rock", "paper", "scissors"])

    # compare actual and expected and output pass / fail
    if actual == expected:
        print(f" ✅✅✅Passed! case: {case}, expected: {expected}, received: {actual} ✅✅✅")
    else:
        print(f"❌❌❌ Failed! Case: {case}, expected: {expected}, received: {actual} ❌❌❌")