From 133f432c45434ebc451f8a4aceb7caebfea582b2 Mon Sep 17 00:00:00 2001
From: Andrea <nullndr@proton.me>
Date: Sun, 25 Jan 2026 23:49:39 +0100
Subject: [PATCH] add `is_leaf()` method

---
 src/tree.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tree.py b/src/tree.py
index 74f8432..0591341 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -13,6 +13,9 @@ class Tree:
       return f"{leaf}"
     return "<empty>"
 
+  def is_leaf(self):
+    return self.left == None and self.right == None
+
 def build_tree(args):
   if args == None: 
     return None