difference between range in py3 and xrange in py2

[Skaperen]

Output:
lt1/forums /home/forums 1> py3
Python 3.5.2 (default, Nov 23 2017, 16:37:01) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> range(9)[:]
range(0, 9)
>>> 
lt1/forums /home/forums 2> py2
Python 2.7.12 (default, Nov 20 2017, 18:23:56) 
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> xrange(9)[:]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: sequence index must be integer, not 'slice'
>>> 
lt1/forums /home/forums 3>