title: Python standard library to get total memory size
body: <p>I'm wondering if there is a module in python standard library I can use to get the total physical memory size. I know I can use psutil, but it would be great if my python script can run without installing external module. Thanks!</p>
  
  <p>Edited:
  Sorry guys, I forgot to mention that I'm using a mac OSX. Thanks for all the windows solutions tho!</p>