title: Is there an easy way to use glom to get an unknown key from a dictionary?
body: <p>Is there an easy way to use glom to get an unknown key from a dictionary?</p>
  <p>the ??? represents random data that I am trying to capture from an API</p>
  <pre><code>    book = {&quot;???&quot;:[{ &quot;globalIdenity&quot;:208565940},{&quot;globalIdenity&quot;:228049454}]}
  
      spec = 
      output_data = glom(book, spec)
      print(output_data)
  </code></pre>