save project

diy1.py

@@ -6,7 +6,10 @@ while True:
     if a==username and b==userpassword :
     if a==username and b==userpassword :
         print("登录成功")
         print("登录成功")
         break
         break
-    print("密码错误,请重新登录")
+    if a!=username:
+        print("用户名错误,请重新输入")
+    if b!=userpassword:
+        print("密码错误,请重新输入")
 print("欢迎来到某某某")
 print("欢迎来到某某某")