code: def to_segwizard(segs, target, header=True, coltype=LIGOTimeGPS):
      
      # write file path
      if isinstance(target, string_types):
          with open(target, 'w') as fobj:
              return to_segwizard(segs, fobj, header=header, coltype=coltype)
  
      # write file object
      if header:
          print('# seg\tstart\tstop\tduration', file=target)
      for i, seg in enumerate(segs):
          a = coltype(seg[0])
          b = coltype(seg[1])
          c = float(b - a)
          print(
              '\t'.join(map(str, (i, a, b, c))),
              file=target,
          )
docs: Write the given `SegmentList` to a file in SegWizard format.
  
      Parameters
      ----------
      segs : :class:`~gwpy.segments.SegmentList`
          The list of segments to write.
  
      target : `file`, `str`
          An open file, or file path, to which to write.
  
      header : `bool`, optional
          Print a column header into the file, default: `True`.
  
      coltype : `type`, optional
          The numerical type in which to cast times before printing.
  
      Notes
      -----
      This method is adapted from original code written by Kipp Cannon and
      distributed under GPLv3.