title: Creating a dataframe from list and existing dataframe
body: <p>I have a dataframe in the form of</p>
  <pre><code>column 1 column 2 column 3
  </code></pre>
  <p>And I would like to add values to it.
  I have a list which I would like to add which is in the form of:</p>
  <pre><code>a= [['Master Vithal', ' Vithal Zubeida'], ['Firozshah Mistry', ' B Irani'], ['Grigor']]
  </code></pre>
  <p>How do I add elements in this list so that a[0] will go to column 1 and so on.
  Thanks in advance!</p>