Create reverse_linked_list.py

linked_lists/reverse_linked_list.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# author: bt3gl
+
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+
+
+def reverse_list(head: Optional[ListNode]) -> Optional[ListNode]:
+            
+        if (not head) or (not head.next):
+            return head
+                
+        new_head = reverse_list(head.next)
+        head.next.next = head
+        head.next = None
+         
+        return new_head