save project

diy1.py

@@ -6,3 +6,7 @@ while True:
     if name==username and pas==userpassword:
     if name==username and pas==userpassword:
         print("登录成功")
         print("登录成功")
         break
         break
+    if name!=username:
+        print("输入账号错误")
+    if pas!=userpassword:
+        print("输入密码错误")
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