From 77893057a2954d6348790e88bc3d7565f03960f3 Mon Sep 17 00:00:00 2001
From: Yunyoung Chung <double.y.0525@gmail.com>
Date: Tue, 23 Dec 2025 14:26:43 +0900
Subject: [PATCH] week 7 - reverse linked list

---
 reverse-linked-list/liza0525.py | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 reverse-linked-list/liza0525.py

diff --git a/reverse-linked-list/liza0525.py b/reverse-linked-list/liza0525.py
new file mode 100644
index 000000000..22373de61
--- /dev/null
+++ b/reverse-linked-list/liza0525.py
@@ -0,0 +1,8 @@
+class Solution:
+    def reverseList(self, head: Optional[ListNode]) -> Optional[ListNode]:
+        pre_node, curr_node = None, head
+        while curr_node:
+            temp = curr_node.next
+            curr_node.next = pre_node
+            pre_node, curr_node = curr_node, temp
+        return pre_node