“Python -Passwort mit Sonderzeichen” Code-Antworten

Python -Passwort mit Sonderzeichen

special_chars =  ['$', '&', '!']

password = input("Provide your password: ")    
invalid = False

for char in password:
    if char not in special_chars:
        print('Invalid char found! Use only: {}'.format(special_chars))
        invalid = True
        break
if not invalid:
    print('Valid password.')