save project

diy1.py

@@ -8,3 +8,8 @@ while True:
     if name==username and password == userpassword:
     if name==username and password == userpassword:
         print("登陆成功")
         print("登陆成功")
         break
         break
+    if name != username:
+        print("用户名错误")
+        continue
+    if password != userpassword:
+        print("密码错误")
\ No newline at end of file