# checks for an integer between 5 and 20
def int_checker(to_check, low, high):
    while True:
        error = f"Please enter an integer that is between {low} and {high}."

        try:
            response = int(to_check)

            # checks that the number is equal or more
            if low <= response <= high:
                return response
            else:
                print(error)
                return "invalid"

        except ValueError:
            print(error)
            return "invalid"

# Automated testing is below in the form (test_case, expected_value)
to_test = [
    ("xlii", "invalid"),
    ("0.5", "invalid"),
    ("4", "invalid"),
    ("21", "invalid"),
    (5,5),
    (20,20),
]

for item in to_test:
    # retrieve test case and expected value
    case = item[0]
    expected = item[1]

    # get actual value (ie: test ticket function)
    actual = int_checker(case, 5, 20)

    # 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} ❌❌❌")