title: Check if any of the list of keys are present in a dictionary
body: <p>I have a fixed list of strings. I need to check if any of these strings are a key in the dictionary (just need True or False). I could go </p>
  
  <pre>
  if 'asdf' in dict or 'qwer' in dict or 'zxcv' in dict ... :
      ... do important secret stuff ...
  </pre>
  
  <p>but it seems suboptimal. Is there a more idiomatic way of doing this?</p>