Verificar conteúdo da String

1. Crie o arquivo exercicio3.py:

import re
def check_character(string):
    rule = re.compile(r'[^a-zA-Z0-9]')
    string = rule.search(string)
    return not bool(string)

print(check_character("ABCDEFabcdef123450")) 
print(check_character("*&%@#!}{"))