code: def write(self, mfile="multiplicons.txt", sfile="segments.txt",
                clobber=False):
          
          if not clobber:
              if os.path.isfile(mfile):
                  raise IOError("Multiplicon file %s already exists." % mfile)
              if os.path.isfile(sfile):
                  raise IOError("Segments file %s already exists." % sfile)
          self._write_multiplicons(mfile)
          self._write_segments(sfile)
docs: Writes multiplicon and segment files to the named locations.
  
              - mfile, (str) location for multiplicons file
              - sfile, (str) location for segments file
              - clobber, (Boolean) True if we overwrite target files