title: Convert Vector to Tuple scala
body: <p>Is it possible to convert a vector of heterogeneous vectors to list of Tuple3 in Scala </p>
  
  <p>i.e. </p>
  
  <pre><code>Vector(Vector(1,"a","b"),Vector(2,"b","c")) to List(Tuple3(1,"a","b"),Tuple3(2,"b","c"))
  </code></pre>