The following code crashes with a segfault on Python 2.7.2:

from operator import add
from itertools import izip, starmap

a = b = [1]
for i in xrange(100000):
    a = starmap(add, izip(a, b))

list(a)


It also crashes with Python 3.2.2:

from operator import add
from itertools import starmap

a = b = [1]
for i in range(100000):
    a = starmap(add, zip(a, b))

list(a)