title: What is the fastest way to execute commands in python?
body: <p>I'm writing a Python script and I need to call some commands, for example creating directories, deleting files, execute docker commands, git commands, <code>make</code> command etc.</p>
  <p>What is the fastest way to invoke such commands?</p>
  <p>Should I use <code>os.system</code> or <code>subprocess</code>?</p>
  <p>The Python script will run on Windows and Linux.</p>