title: How to parse string containing dictionary
body: <p>Here it's my json.</p>
  
  <pre><code>"{'item1': 1, 'item2': 2, 'item3': 3, 'item4': 4}"
  </code></pre>
  
  <p>above dict is in string format</p>
  
  <p>now I want to parse these data in following format</p>
  
  <pre><code>item1 = 1
  item2 = 2
  item3 = 3
  item4 = 4
  </code></pre>