title: Comparing two strings to get uniqueness percent
body: <p>I'm looking for a sulotion.
  I have two strings that I need to compare one to each other and get the uniqueness percent.</p>
  
  <p>For example:</p>
  
  <pre><code>{
  String A = "Hello"
  String B = "Hello"
  Uniqueness percent = 0%
  }
  
  {
  String A = "Hello friend"
  String B = "Hello mate"
  Uniqueness percent = 50%
  }
  
  {
  String A = "Hey"
  String B = "Hello"
  Uniqueness percent = 100%
  }
  </code></pre>