title: Creating userDecision based off the third index within an array
body: <pre><code>    func Decision() {
      if ArrowType.index(ArrowType.startIndex, offsetBy: 3) == "&lt;" {
          UserChoice = "L"
      } else if {ArrowType.index(ArrowType.startIndex, offsetBy: 3) == "&gt;"           
          UserChoice = "R"
      }
  }
  </code></pre>
  
  <p>Binary operator '==' cannot be applied to operands of type 'String.Index' and 'String'</p>