diff --git a/day7/day7.py b/day7/day7.py
index d7aef07..2b97fbb 100644
--- a/day7/day7.py
+++ b/day7/day7.py
@@ -16,13 +16,13 @@ def gettree():
             if words[4] == 'no':
                 continue
             if index == 0:
-                mBag = words[5] + " " + words[6]
-                mNum = int(words[4])
-                tree[top_bag][mBag] = mNum
+                rule = words[5] + " " + words[6]
+                num = int(words[4])
+                tree[top_bag][rule] = num
             else:
-                mBag = words[2] + " " + words[3]
-                mNum = int(words[1])
-                tree[top_bag][mBag] = mNum
+                rule = words[2] + " " + words[3]
+                num = int(words[1])
+                tree[top_bag][rule] = num
 
     return tree
 
@@ -35,15 +35,14 @@ def countShine(bag, tree):
         sum = 0
         for child in tree[bag]:
             sum += countShine(child, tree)
-
         return sum
 
 
 def countBags(bag, tree):
-    item = tree[bag]
+    rule = tree[bag]
     sum = 0
-    for child in item:
-        sum += item[child] + (item[child] * countBags(child, tree))
+    for child in rule:
+        sum += rule[child] + (rule[child] * countBags(child, tree))
 
     return sum