should i install python image library by myself?

[think]

when i type import image in the python interactive command, i am surprised to find that it does not work. the details are as follows:

>>> import image
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
ImportError: No module named image

i wonder the image library should be a buildin module, then why i cannot import it?
what's wrong? or some version of python does not include image library as a buildin module?
so can anybody recommend a version of python which include image libary, thank you ; )
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