title: How to extract sheet from *.xlsm and save it as *.csv in Python?
body: <p>I have a *.xlsm file which has 20  sheets in it. 
  I want to save few sheets as *.csv (formatting loss is fine) individually.
  Already tried xlrd-xlwt and win32com libraries but could not get through.
  Can anybody please provide a code snippet which does the above processing in Python? I have other python dependencies so no other language would work.
  Thanks</p>