auto save

diy2.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name !=username:
+    if name !=username:
         print("用户名不存在，请重新输入")
-    else:
-    password !=userpassword
-     print("密码输入有误，请重新输入")
+    if password!=userpassword:
+        print("密码输入有误，请重新输入")
 print("欢迎来到贝尔编程!")
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