diff --git a/linked_lists/intersection.py b/linked_lists/intersection.py
index f07e2ae..f0cc339 100644
--- a/linked_lists/intersection.py
+++ b/linked_lists/intersection.py
@@ -11,4 +11,18 @@ 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
+    try: 
+        if headB.next:
+            headB_first = headB
+        while headA.next:
+            while headB.next:
+                if headA == headB:
+                    return headA
+                else:
+                    headB = headB.next
+            else:
+                headA = headA.next
+                headB = headB_first
+    except:
+        return None
+    
\ No newline at end of file