n = 1 user = '123' pwd = '456' while n < 4 : n1 = input("请输入用户名: ") n2 = input("请输入密码: ") if user == n1 and pwd == n2 : print("登录成功") break else: print("用户名或者密码错误") n = n + 1 if n == 4: print("登录次数超过3次,登录失败")
n = 1 user = '123' pwd = '456' while n < 4 : n1 = input("请输入用户名: ") n2 = input("请输入密码: ") if user == n1 and pwd == n2 : print("登录成功") break else: print("用户名或者密码错误") n = n + 1 if n == 4: print("登录次数超过3次,登录失败")
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