test_num = "5539972274475170"


def validate(num: str):
    for index in range(len(num)):
        int_version = int(num[index])
    pass


if test_num == test_num:
    string = "test_num"
    num_list = list(test_num)
num_list.pop(15)
print(num_list)


def reverse_it(string1):
    string1 = string1[::-1]
    return string1


print(reverse_it(num_list))
print(validate(test_num))
