title: Obtain string inside curl bracket in python
body: <p>Suppose I have a string like</p>
  
  <pre><code>{"", "b", "c"}, // we are here 
  </code></pre>
  
  <p>I would like to extract the <code>{"", "b", "c"}</code> and/or <code>"", "b", "c"</code> part of it. Is there any simple prescription for it?</p>