python初级编写：身份认证系统

效果如下：

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                           欢迎进入身份认证系统v1.0

1.0登录

2.0退出

3.0认证

4.0修改密码

======================================

conding time：

print("="*50)
print("欢迎进入身份认证系统v1.0".center(40))
print("1.0登录")
print("2.0退出")
print("3.0认证")
print("4.0修改密码")
print("="*50)
id1 ={}
while True:
    operate = input("请输入你想要的操作序号：")
    if operate == "1":
       name = input("请输入你的账号：")
       id1['account'] = str(name)
       print("您的账号是：%s"%name)
    if operate == "2":
        continue
    if operate == "3":
        sign_in = input("请输入认证码：")
        id1['asci'] = str(sign_in)
        print("您的认证码是：%s"%sign_in)
    if operate == "4":
        old_password = input("请输入原密码:")
        id1['password'] = str(old_password)
        new_password = input("请输入新密码：")
        id1['password'] = str(new_password)
        print("您的密码更改为：%s" %new_password)