auto save

diy2.py

@@ -5,6 +5,15 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         break
-        print("登录成功!")
+       print("登录成功!")
+        
+    if name!=username:
+        print("name")
+    if password!=userpassword
+        print("password")
+    if i=i+1
+
+
+       
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
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