作业:
代码如下:
待读取的文件存储的用户名和密码为: rzf,123456 ren,000000 函数内容如下: def login_in(): count = 0 while True: user = [] psw = [] for line in open('D:/user.txt', "r", encoding="utf-8-sig"): line = line.strip("\n") list = line.split(',') user.append(list[0]) psw.append(list[1]) user1 = input('输入用户名:').strip() if user1 in user: psw1 = input('输入密码:').strip() if psw1 in psw: print('Login succeed!') count = 0 else: print("password isn't correct,please input again(剩余%s次机会):" %(2-count)) count+=1 else: print("username isn't correct,please input again(剩余%s次机会):" %(2-count)) count+=1 if count == 3: print('输入次数已达上限!') break login_in()