title: python does not work
body: <p>I always downloaded python from python.org and install it on Windows machines (XP and 8 ) easily. On this Windows XP machine however I have the following problem.  After installing python2.7  32 bit on the machine , I cannot start neither the interactive python page nor the python shell ( IDLE or GUI ) ( neither form the Windows Start nor from the command line). I set the path in Windows ( and I double checked and renewed the  command line shell as well). From the Windows command line when I type the python -- version, I get the python version, so I assume it is installed. When I simply type python from the command line I get :
  ImportError: No module name site
  When I try python helloworld.py  I get the same error message.
  I searched around in FAQ, I seems nobody has such problem.  I appreciate any help with this problem.</p>