save project

diy2.py

@@ -6,7 +6,10 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-        if name !=username:
-            print("用户名错误")
-    print("用户名和密码错误!请重新输入")
+    if name !=username
+        print("用户名错误!")
+    if password !=userpassword:
+        print("密码错误!")
+
+
 print("欢迎来到贝尔编程!")
\ No newline at end of file