title: How to access map keys through index? Dart
body: <pre><code>dartques = {'Color':[], 'Fruits':[], 'Hobbies':[]};
  </code></pre>
  
  <p>How to access the values using index in map?
  I need to access only key or value using index.
  Just like we do in list<br>
  <code>=&gt;list[1]</code></p>