diff --git a/linked_lists/intersection.py b/linked_lists/intersection.py
index f07e2ae..8756c20 100644
--- a/linked_lists/intersection.py
+++ b/linked_lists/intersection.py
@@ -11,4 +11,13 @@ def intersection_node(headA, headB):
     """ Will return the node at which the two lists intersect.
         If the two linked lists have no intersection at all, return None.
     """
-    pass
\ No newline at end of file
+    nodeA = headA
+    nodeB = headB
+    while nodeB:
+        while nodeA:
+            if nodeB == nodeA:
+                return nodeB
+            nodeA = nodeA.next
+        nodeA = headA
+        nodeB = nodeB.next
+    return None
\ No newline at end of file