title: Python subprocess.run('ls',shell=True) not working on windows
body: <pre class="lang-py prettyprint-override"><code>import subprocess
  
  subprocess.call('ls', shell=True)
  </code></pre>
  <p>Output:</p>
  <pre><code>'ls' is not recognized as an internal or external command, operable program or batch file.
  </code></pre>