4. python3 range vs python2 range vs python2 xrange¶
9999999999999999999 - 21 in range(1000000000, 9999999999999999999, 3)
# w python 3 szybkie
Python 3 bierze pod uwagę __start__, __stop__ oraz __step__
9999999999999999999 - 21 in xrange(1000000000, 9999999999999999999, 3)
# w python 2 wolne