python中xrange用法分析

>>> x=xrange(0,8)>>> print xxrange(8)>>> print x[0]0>>> print x[7]7>>> print x[8]Traceback (most recent call last): File "<stdin>", line 1, in <module>IndexError: xrange object index out of range>>> x=range(0,8)>>> print x[0, 1, 2, 3, 4, 5, 6, 7]>>> print x[0]0>>> print x[8]Traceback (most recent call last):  File "<stdin>", line 1, in <module>IndexError: list index out of rangerange([start,] stop [,step])->list of integers