title: how to check i specific word exists in array of objects
body: <pre><code>my_arr = [
    { &quot;keywords&quot;: &quot;set,on,increease,decrease,low,medium,high,forward,backward&quot;, &quot;commands&quot;: &quot;SET&quot; },
    { &quot;keywords&quot;: &quot;get,access,retrieve&quot;, &quot;commands&quot;: &quot;GET&quot; },
    { &quot;keywords&quot;: &quot;run&quot;, &quot;commands&quot;: &quot;RUN&quot; },
    { &quot;keywords&quot;: &quot;stop&quot;, &quot;commands&quot;: &quot;STOP&quot; }
  ]
  </code></pre>
  <p>i want to find if increase exists in keywords?</p>