title: Explain the difference please?
body: <p>Could someone please explain the difference between these two?</p>
  
  <pre><code>data=[]
  for row in csv_file_object: 
      data.append(row[1:]) 
  </code></pre>
  
  <p>and</p>
  
  <pre><code>data=[]
  for row in csv_file_object:
      data.append(row)
  </code></pre>