title: Split dataframe column names by special character
body: <p>I am trying to split data frame column name by '\'. My data looks like this.</p>
  
  <pre><code>A\B |   X\Y  |  C\D|
  ____________________
  0   |   1    |  1  |
  </code></pre>
  
  <p>How can i achieve below dataframe by splitting column names.</p>
  
  <pre><code>A   |B  |X  |Y  |C  |D
  ___________________________________________
  0   |0  |1  |1  |1  |1
  </code></pre>
  
  <p>i'm using pandas library for datapreprocessing</p>