title: Insert multiple values to same Key in JSON Object
body: <p>I have an array like 
  <code>electronics = ["radio","Tv"]</code></p>
  
  <p>i have to create an object like 
  <code>{ "Ids":"radio:Tv", "type":"electronics" }</code></p>
  
  <p>How to achieve this..</p>
  
  <p>Thanks in advance</p>