#!/usr/bin/env python3 # 成员资格 href = 'www.baidu.com' print('.' in href) # Check a user name and PIN code database = [ ['albert', '1234'], ['dilbert', '4242'], ['smith', '7524'], ['jones', '9843'] ] username = input('User name: ') pin = input('PIN code: ') if [username, pin] in database: print('Access granted')