from timeit import timeit
print(timeit('list(izip(xrange(100), xrange(100)))',
'from itertools import izip',
number=500000))
print(timeit('zip(xrange(100), xrange(100))', number=500000))
ZnJvbSB0aW1laXQgaW1wb3J0IHRpbWVpdAogCnByaW50KHRpbWVpdCgnbGlzdChpemlwKHhyYW5nZSgxMDApLCB4cmFuZ2UoMTAwKSkpJywKICAgICAgICAgICAgICdmcm9tIGl0ZXJ0b29scyBpbXBvcnQgaXppcCcsCiAgICAgICAgICAgICBudW1iZXI9NTAwMDAwKSkKCnByaW50KHRpbWVpdCgnemlwKHhyYW5nZSgxMDApLCB4cmFuZ2UoMTAwKSknLCBudW1iZXI9NTAwMDAwKSk=