title: Simplest way to concatenate two strings in robot framework .?
body: <p>Given two strings 'a' , 'b', what is the simplest way to concatenate them and assign to a new variable in robot framework.?</p>
  
  <p>I tried this simple pythonic way, but it didn't work</p>
  
  <pre><code>${var}= 'a' + 'b'
  </code></pre>