<[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > > John Zenger wrote: > > Also, with the functional programming tools of map, filter, and lambda, > > this code can be reduced to just six lines: > > > > import random > > > > flips = map(lambda x: random.randrange(2), xrange(100)) > > heads = len(filter(lambda x: x is 0, flips)) > > tails = len(filter(lambda x: x is not 0, flips)) > > Or a filter/map/lambda free way: > > heads = sum(random.randrange(2) for x in xrange(100)) > tails = 100 - heads > sort, then groupby.
import itertools import random h,t = [len(list(g)) for k,g in itertools.groupby(sorted([random.randrange(2) for i in xrange(100)]))] print h,t -- http://mail.python.org/mailman/listinfo/python-list
