title: Python: Turn Nested List to Dictionary
body: <p>I am trying to turn a nested list like this:
  (Example list)</p>
  
  <pre><code>[['A','1','2','3'], ['B','4','5','6'],...]
  </code></pre>
  
  <p>To a dictionary that looks like this</p>
  
  <pre><code>{'A':'1','2','3','B': '4','5','6'}
  </code></pre>
  
  <p>Can someone please help me?</p>