auto save

diy6.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-i = 3
-while True:
-    if i > 0:
-        name = input("请输入你的用户名:")
-        password = input("请输入你的密码:")
-        i -= 1
-        if name == username and password == userpassword:
+
+name = input("账号:")
+password = input("密码:")
+if ?:
     print("登录成功")
     print("登录成功")
-            break
-        elif name != username:
-            print("账号错误")
+else:
+    print("账号或者密码不正确")
\ No newline at end of file
-            print(""+)
-        elif password != userpassword:
-            print("密码错误")
-    else:
-        print("三次机会已用完")
-        exit()
-print("欢迎来到贝尔编程")