Paddy <[EMAIL PROTECTED]> writes: > How does your solution fare against the defaultdict solution of: > > d = collections.defaultdict(int) > for u,s in zip(users,score): d[u] += s
list: 0.931s dict + "in": 1.495s defaultdict : 1.991s dict + "if": ~2s dict + "try": ~4s I've posted the (very rough) code to dpaste: http://dpaste.com/hold/56468/ Yours Karsten -- http://mail.python.org/mailman/listinfo/python-list