title: compare two columns and color greater in excel using python?
body: <p>I came across conditional formatting <a href="https://xlsxwriter.readthedocs.io/working_with_conditional_formats.html" rel="nofollow noreferrer">https://xlsxwriter.readthedocs.io/working_with_conditional_formats.html</a> 
  But not sure how to implement it.
  I have my result saved in dataframe, i am trying to do this color formatting based on if column2> column1:
  color column2
  else: do nothing 
  and save the excel file.
  any suggestions.</p>