diff --git a/day07/part2.py b/day07/part2.py
index 68cec45..aa53649 100644
--- a/day07/part2.py
+++ b/day07/part2.py
@@ -1,15 +1,18 @@
 from day07.common import BaseGraph
-
+import datetime
 
 class Graph(BaseGraph):
 
-    def depth_first_search(self, start: str, search_contained_by: bool = False):
+    def depth_first_search(self, start: str, search_contained_by: bool = False, use_cache=True):
         visited = []
 
         def count_bags(nxt):
             if nxt not in self._nodes:
                 return 0
             node = self._nodes[nxt]
+            if not use_cache:
+                node.visited = False
+                node.count = 0
             if node.visited:
                 return node.count
             node.visited = True
@@ -33,6 +36,13 @@ count = -1
 for line in lines:
     graph.add_line(line)
 
+a = datetime.datetime.now()
 count = graph.depth_first_search("shiny gold", search_contained_by=False) - 1
-
+print("With dyn programming", datetime.datetime.now() - a)
 print(count)
+
+a = datetime.datetime.now()
+count = graph.depth_first_search("shiny gold", search_contained_by=False, use_cache=False) - 1
+print("Without dyn programming", datetime.datetime.now() - a)
+print(count)
+