code: def PaperSize(s):
      
      size = s.lower()
      f = "p"
      if size.endswith("-l"):
          f = "l"
          size = size[:-2]
      if size.endswith("-p"):
          size = size[:-2]
      rc = paperSizes.get(size, (-1, -1))
      if f == "p":
          return rc
      return (rc[1], rc[0])
docs: Return a tuple (width, height) for a given paper format string. 'A4-L' will
      return (842, 595), the values for A4 landscape. Suffix '-P' and no suffix
      returns portrait.