title: What is the logic for x,y=y,x to swap the values?
body: <p>Code:</p>
  
  <pre><code>x="salil"
  y="Ajay"
  y,x=x,y
  
  print x +" "+ y
  </code></pre>
  
  <p>Output:</p>
  
  <pre><code>Ajay salil
  </code></pre>
  
  <p>What is a logical explanation for this?</p>