satrni qandaydir belgilar bor ekanini tekshirish uchun pythond | Dasturchi Yoshlar kanal

satrni qandaydir belgilar bor ekanini tekshirish uchun pythondan tayor funksiya re kutubhonasi orqali ishlatiladi

import re

def solve(n):
ans = '^[A-Za-z0-9-]*$'
if bool(re.match(ans, n)):
print('Yes')
else:
print('No')

n = input()
solve(n)