# -*- coding:utf-8 -*-
# @Author len
# @Create 2023/12/12 19:49


def if_plate( text):
    if len(text) == 6:
        allowed_chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
        for char in text:
            print(char)
            if char not in allowed_chars:
                print("chat:", char)
                return False
        return True
    else:
        return False

list = ["A13C46", "124141", "AAAAAA", "AFF3241", "fafdafsfas",'A13C46', "124!@$%$%#@@#$%#@!@#$%#@!", "fsd65", "A1/2B%34", "((n*y+h)^4)/100"]
for i in list:
    if if_plate(i):
        print(i, "是")
    else:
        print(i, "不是")