new_contents: from unicodedata import normalize, category
  
  
  def checkio(in_string):
      # normalize splits accented letters in two: letter + accent
      # category(c) 'Mn' contains every accent
      # http://www.fileformat.info/info/unicode/category/Mn/list.htm
      return ''.join(c for c in normalize('NFD', in_string) if category(c) != 'Mn')
  
subject: Create remove-accents.py