chance = 3
while chance > 0:name = input("请输入用户名:")pwd = input("请输入密码:")if name == "alex" and pwd == "123":print("登录成功")breakchance -= 1print("用户名或密码错误,你还有%d次机会" % chance)
else:print("登录失败,账号锁定")chance = 3
while chance > 0:name = input("请输入用户名:")pwd = input("请输入密码:")if name == "alex" and pwd == "123":print("登录成功")breakchance -= 1print("用户名或密码错误,你还有%d次机会" % chance)
else:print("登录失败,账号锁定")