diff --git a/linked_lists/intersection.py b/linked_lists/intersection.py
index f07e2ae..b0992db 100644
--- a/linked_lists/intersection.py
+++ b/linked_lists/intersection.py
@@ -11,4 +11,17 @@ 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
+    head_one = headA
+    head_two = headB
+    while head_one != head_two:
+        if head_one:
+            head_one = head_one.next
+        else:
+            head_one = headB
+        if head_two:
+            head_two = head_two.next
+        else:
+            head_two = headA
+    return head_one
+
+