No.1Register/login
import pickle def register(): print("---Register---") print("Please input your username :") username = input("") print("Please input your password :") password = input("") dic = {username:password} with open('info_user', 'ab') as f: pickle.dump(dic,f) print("Register succeed!") def log(): print("---Log in ---") print("Please input your username :") username = input("") with open('info_user', 'rb') as F: while True: try : a = pickle.load(F) if list(a.keys())[0] == username: print("Please input your password :") password = input("") if password == list(a.values())[0]: print('Log in succeed!') else: print("Password Mistake!") break except EOFError: print("Username not existed!") break def main(): print("1.注册;2.登陆") choice = input('') if choice == "1": register() elif choice == "2": log() else: print("重新输入!") main()