title: dict() vs { } in python which is better?
body: <p>I like to know, which is the best practice to declare dictionary in below 2 approaches and why?</p>
  
  <pre><code>&gt;&gt;&gt;a=dict(one=2, two=3)  # {"two":3, "one":2}
  &gt;&gt;&gt;a={"two":3, "one":2}
  </code></pre>