title: Playground is not showing result on right bar
body: <p>I waited long time but my playground project is not showing result on right side bar
  I am using right code but still right bar is not updating i don't know what is the problem i tried lot of time.
  here is my code </p>
  
  <pre><code>var str = "Hello, playground"
  
  var str1 = "this is my first program"
  
  let kermit = "kermit"
  let msPiggy = "ms. piggy"
  
  let string1 =  msPiggy + " and " + kermit + ", sitting in a tree"
  let string2 = "\(msPiggy) and \(kermit), sittting in a tree "
  
  let string3 = " kermit has \(5*2) fingers"
  
  let  chr1:Character = ""
  </code></pre>