save project

diy2.py

@@ -5,11 +5,10 @@ while True:
     password = input("请输入密码:")
     if name != username:
         print("用户名错误！")        
-    else:    
+        continue    
         if password != userpassword:
             print("密码错误")
-        else:                    
-            print("登录成功!")
-            break
-    print("用户名和密码错误!请重新输入")
+            continue                   
+        print("登录成功!")
+        break    
 print("欢迎来到贝尔编程!")
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