title: Can't mount Google drive folder in colab notebook
body: <p>I'm trying to mount a directory from <code>https://drive.google.com/drive/folders/my_folder_name</code> for use in a google colab notebook.</p>
  
  <p>The instructions for mounting a folder show an example for a directory starting with /content/drive:</p>
  
  <pre><code>from google.colab import drive
  drive.mount('/content/drive')
  </code></pre>
  
  <p>but my directory doesn't start with <code>/content/drive</code>, and the following things I've tried have all resulted in <code>ValueError: Mountpoint must be in a directory that exists</code>:</p>
  
  <pre><code>drive.mount("/content/drive/folders/my_folder_name")
  drive.mount("content/drive/folders/my_folder_name")
  drive.mount("drive/folders/my_folder_name")
  drive.mount("https://drive.google.com/drive/folders/my_folder_name")
  </code></pre>
  
  <p>How can I mount a google drive location which doesn't start with <code>/content/drive</code>?</p>