On Fri, Sep 16, 2011 at 8:19 PM, Grant Edwards <invalid@invalid.invalid> wrote: >> Here's another one-liner using a generator instead of map: >> >> sum(int(c) for c in str(2**1000)) > > Just in case you can't spare the 3KB required for the list of integers > that map creates. :) > > In this case it doesn't matter, but it's not hard to find problems > where the difference between the memory requirements for a generator > and a map/list-comprehension are significant enough to worry about.
Unless otherwise specified, I generally assume that code on this list is for Python 3, and map in Python 3 returns an iterator. Cheers, Ian -- http://mail.python.org/mailman/listinfo/python-list