title: Converting Row into list RDD in pyspark
body: <p>I have a list in form</p>
  
  <pre><code>[Row(_1=u'5', _2=u'6')]
  </code></pre>
  
  <p>I want to convert it into</p>
  
  <pre><code>[(5,6)]
  </code></pre>
  
  <p>using PySpark</p>