title: add Single Value inside an existing Section in UITableView
body: <p>i have a tableview with sections for adding section i created an <code>struct</code> :</p>
  
  <pre><code> struct  datesStruct {
      var sectionYear : String!
      var sectionMonth : [String]!
  }
  
   var datesStructArray = [datesStruct]()
  </code></pre>
  
  <p>now i want to add  a single value inside my exiting sections after checking if the section is satisfying my condition, any idea how am gonna do that ??? </p>
  
  <p>e.g. :</p>
  
  <pre><code> if myTableViewSection1 == 2016{
  
   //add value  into this section 
  
   } 
  </code></pre>
  
  <p>searched a lot about this but didn't get anything yet , if anybody knows then please do help me thanks </p>