- 登录系统为案例
store={'root':123}
while True:
user = input("请输出用户名:")
pwd = int(input("请输入密码:"))
if store.get(user) != None:
if pwd==store.get(user):
print('登陆成功!')
break
else:
print('密码错误!')
continue
else:
print('用户未注册!')
continue