From e0c55fc259bf76c34a3a65fa65c8b1dd40131e80 Mon Sep 17 00:00:00 2001
From: wazedkhan <wazedkhan119399@gmail.com>
Date: Thu, 2 Jul 2026 09:09:14 +0600
Subject: [PATCH 1/2] LeetCode #143: Reorder List

---
 LeetCode/medium/reorder_list_143.py | 41 +++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 LeetCode/medium/reorder_list_143.py

diff --git a/LeetCode/medium/reorder_list_143.py b/LeetCode/medium/reorder_list_143.py
new file mode 100644
index 0000000..ddd262e
--- /dev/null
+++ b/LeetCode/medium/reorder_list_143.py
@@ -0,0 +1,41 @@
+from typing import Optional
+
+
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+
+class Solution:
+
+    def print_linked_list(self, head):
+        current = head
+        while current is not None:
+            print(current.val, end="")
+            current = current.next
+        print()
+
+    def reorderList(self, head: Optional[ListNode]) -> None:
+        slow, fast = head, head
+
+        while fast and fast.next:
+            slow = slow.next
+            fast = fast.next.next
+        half = slow.next
+        slow.next = None
+
+        prev = None
+        while half:
+            next_node = half.next
+            half.next = prev
+            prev = half
+            half = next_node
+
+        while head and prev:
+            next_head = head.next
+            head.next = prev
+            next_prev = prev.next
+            prev.next = next_head
+            head = next_head
+            prev = next_prev

From 591bf195a2fbb02be47edd40b22fbaa1752a780b Mon Sep 17 00:00:00 2001
From: wazedkhan <wazedkhan119399@gmail.com>
Date: Thu, 2 Jul 2026 09:11:45 +0600
Subject: [PATCH 2/2] LeetCode #143: Reorder List

---
 LeetCode/medium/reorder_list_143.py | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/LeetCode/medium/reorder_list_143.py b/LeetCode/medium/reorder_list_143.py
index ddd262e..34640df 100644
--- a/LeetCode/medium/reorder_list_143.py
+++ b/LeetCode/medium/reorder_list_143.py
@@ -8,14 +8,6 @@ def __init__(self, val=0, next=None):
 
 
 class Solution:
-
-    def print_linked_list(self, head):
-        current = head
-        while current is not None:
-            print(current.val, end="")
-            current = current.next
-        print()
-
     def reorderList(self, head: Optional[ListNode]) -> None:
         slow, fast = head, head