title: Best way to pop many elements from a Python dict
body: <p>This is my code:</p>
  
  <pre><code>a = dict(aa='aaaa', bb='bbbbb', cc='ccccc', ...)
  print(a.pop(['cc', ...]))
  </code></pre>
  
  <p>but this raises an error.
  What is the best simple way to pop many elements from a python dictionary?</p>