title: Keep variable in memory between runs with python and spyder
body: <p>I'm trying to use python to compute and experiment on some datas from some files.</p>
  <p>The parsing and computation of those files can take up to 20 minutes and always lead to the exact same result. I want to experiment on that result.</p>
  <p>Is there a way (programatically or with spyder) to only compute these datas once per python console and to keep them in memory so the script dont have to compute them again each time I run my code ?</p>
  <p>Am I clear ? ^^'</p>