save project

diy2.py

@@ -6,7 +6,8 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    
+    if pass name != username:
+       print("用户名错误!请重新输入")
     if password != userpassword:
     if password != userpassword:
        print("密码错误!请重新输入")  
        print("密码错误!请重新输入")  
     if password != userpassword and name != username:
     if password != userpassword and name != username: