adding arcy's solution to ll add/remove

questions/add_remove_ll/add_remove_linked_list.md

@@ -4,4 +4,5 @@ Create the methods that adds and remove data to a linked list
 
 ###Solutions
 - [Jessica's Solution - Python2.7](https://github.com/chatasweetie/whiteboarding-and-coding-problems/blob/master/questions/add_remove_ll/solution/add_remove_linked_list.py)
+- [Arcy's Solution - Python 3.12](./solution/add_remove_ll_arcy.py)
 

questions/add_remove_ll/solution/add_remove_ll_arcy.py

@@ -0,0 +1,61 @@
+class Node:
+    def __init__(self, value=None, next=None):
+        self.value = value
+        self.next = next
+
+    def __repr__(self):
+        return f"Node({self.value})"
+
+class LinkedList:
+    def __init__(self):
+        self.head = None
+
+    def add(self, value):
+        new_node = Node(value)
+        if self.head is None:
+            self.head = new_node
+        else:
+            current_node = self.head
+            while current_node.next:
+                current_node = current_node.next
+            current_node.next = new_node
+
+    def prepend(self, value):
+        new_node = Node(value)
+        new_node.next = self.head
+        self.head = new_node
+
+    def remove(self, value):
+        if self.head is None:
+            return  # List is empty, nothing to delete
+
+        if self.head.value == value:
+            self.head = self.head.next
+            return
+
+        current_node = self.head
+        while current_node.next and current_node.next.value != value:
+            current_node = current_node.next
+
+        if current_node.next:  # We found the value
+            current_node.next = current_node.next.next
+
+    def __repr__(self):
+        current_node = self.head
+        nodes = []
+        while current_node:
+            nodes.append(str(current_node.value))
+            current_node = current_node.next
+        return " -> ".join(nodes) + " -> None"
+
+ll = LinkedList()
+ll.add(1)
+ll.add(2)
+ll.add(3)
+print(ll)  # Output: 1 -> 2 -> 3 -> None
+
+ll.prepend(0)
+print(ll)  # Output: 0 -> 1 -> 2 -> 3 -> None
+
+ll.remove(2)
+print(ll)  # Output: 0 -> 1 -> 3 -> None