title: how do i convert the value from str to int in my dict
body: <p><code>a: {'A': '120', 'B': '100', 'C': '100', 'D': '100'}</code></p>
  <p>how do I make it become this:</p>
  <p><code>b: {'A': 120, 'B': 100, 'C': 100, 'D': 100}</code></p>