day 11 python slight optimization

day11/sol.py

@@ -1,4 +1,4 @@
-from collections import Counter, namedtuple
+from collections import namedtuple
 from copy import deepcopy
 import math
 
@@ -25,7 +25,7 @@ def parse(input):
     return monkeys, items
 
 def play(monkeys, items, rounds=1, N=None):
-    throws = Counter()
+    throws = {m.index: 0 for m in monkeys}
     for _ in range(rounds):
         for m in monkeys:
             for x in items[m.index]:
@@ -46,7 +46,7 @@ def show(items):
         print(k, items[k])
 
 def monkeybusiness(throws):
-    a, b = [x[1] for x in throws.most_common(2)]
+    a, b = sorted(throws.values())[-2:]
     return a*b
 
 def lcm(ints):