title: Swift - Trim String in Array
body: <p>I have a <code>String</code> <code>Array</code> where I have need to trim the Spaces in each string..
  Please let me know for any simple way without looping them in for loop.</p>
  
  <p>Ex: <code>["Apple ", "Bike ", " Cat", " Dog "]</code>
  I have an <code>Array</code> like this. I want all these spaces to be trimmed.</p>