title: How to set the python type hinting for a dictionary variable?
body: <p>Let say I have a dictionary:</p>
  <pre><code>from typing import Dict
  
  v = { 'height': 5, 'width': 14, 'depth': 3 }
  
  result = do_something(v)
  
  def do_something(value: Dict[???]):
      # do stuff
  </code></pre>
  <p>How do I declare the dictionary type in <code>do_something</code>?</p>