From a2b25f361a04ea0e4ff6028c9e155b1fbac5bfe3 Mon Sep 17 00:00:00 2001
From: TheHakerTech <aller_top@mail.ru>
Date: Sat, 1 Jun 2024 22:09:44 +0300
Subject: [PATCH] Added is_empty method

---
 ufpy/ustack.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ufpy/ustack.py b/ufpy/ustack.py
index cf49e33..7b45b14 100644
--- a/ufpy/ustack.py
+++ b/ufpy/ustack.py
@@ -38,6 +38,9 @@ def append(self, *items) -> UStack:
         for item in items:
             self.__list.append(item)
         return self.__list
+    
+    def is_empty(self) -> bool:
+        return len(self) == 0
 
     def __add__(self, stack: UStack) -> UStack:
         return UStack(self.__list + stack.__list)