gistfile1.txt

import itertools

def is_odd(val):
    print "Checking", str(val)
    return bool(val % 2)

print "Using map..."
print any(map(is_odd, range(0, 10)))
print "\nUsing itertools.imap..."
print any(itertools.imap(is_odd, range(0, 10)))
print "\nUsing generator expression..."
print any(is_odd(foo) for foo in range(0, 10))