save project

diy1.py

@@ -6,5 +6,12 @@ while True:
     if name == username and password == userpassword:
         print("登入成功！")
         break
-    print("用户名不正确，请输入用户名")
-print("欢迎来到贝尔编程!")
+    if name!=username:
+        print("用户名不正确，请输入用户名")
+        continue
+    if password !=userpassword:
+        print("密码不正确，请重新输入")
+
+    print("欢迎来到贝尔编程!")
+else:
+    print("zh")