title: Python: remove single quotation in a string in a list
body: <p>I have a list of items, <code>list1</code>, shown below:</p>
  
  <pre><code>["None", "A ','B", "A"]
  </code></pre>
  
  <p>The second element of <code>list1</code> is <code>"A ','B"</code>. </p>
  
  <p>How can I remove the single quotation mark and get <code>"A, B"</code> instead?</p>