title: Is there a way in Scala to convert Seq[(String, String)] To Seq[String]?
body: <p>I'm new to Scala and really coding in general so sorry if this question is a bit basic but would love some help!</p>
  
  <p>I currently have a function which yields <code>Seq[(String, String)]</code> which I would then like to convert to <code>Seq[String]</code>. </p>
  
  <p>Depending on the iteration of the function, the dimension of the vector will be different so some outcomes are <code>Seq[(String, String)]</code>, others are <code>Seq[(String, String, String)]</code> etc. So ideally I could use the same function for each output. </p>
  
  <p>I have tried using <code>.flatten</code>, and <code>split[","]</code> and am not sure what other methods I could use. </p>
  
  <p>Fr one sample value, output of the function looks like this:</p>
  
  <pre><code>res17: Seq[(String, String)] = Vector((u, v),(w, x))
  </code></pre>
  
  <p>The ideal result would be <code>Vector(u,v,w,x)</code></p>