From 5bd04a4886c7174f6287ad82d460ff61748217b8 Mon Sep 17 00:00:00 2001
From: eyuell21 <abrahameyuel4@gmail.com>
Date: Tue, 14 Oct 2025 11:25:33 +0100
Subject: [PATCH] Linked list implementation.

---
 Sprint-2/implement_linked_list/linked_list.py | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/Sprint-2/implement_linked_list/linked_list.py b/Sprint-2/implement_linked_list/linked_list.py
index e69de29..8fceb0a 100644
--- a/Sprint-2/implement_linked_list/linked_list.py
+++ b/Sprint-2/implement_linked_list/linked_list.py
@@ -0,0 +1,53 @@
+class Node:
+    def __init__(self, value):
+        self.value = value
+        self.prev = None
+        self.next = None
+
+class LinkedList:
+    def __init__(self):
+        self.head = None
+        self.tail = None
+
+    def push_head(self, value):
+        new_node = Node(value)
+        new_node.next = self.head
+        new_node.prev = None
+
+        if self.head is not None:
+            self.head.prev = new_node
+        self.head = new_node
+        
+        if self.tail is None:
+            self.tail = new_node
+
+        return new_node
+    
+    def pop_tail(self):
+        if self.tail is None:
+            return
+        node_to_be_removed = self.tail
+        self.tail = node_to_be_removed.prev
+
+        if self.tail is not None:
+            self.tail.next = None
+        else:
+            self.head = None
+        
+        return node_to_be_removed.value
+
+    def remove(self, node):
+        if node.prev is not None:
+            node.prev.next = node.next
+        else:
+            self.head = node.next
+        if node.next is not None:
+            node.next.prev = node.prev
+        if node == self.tail:
+            self.tail = node.prev
+        node.prev = None
+        node.next = None
+
+
+
+