code: def _show_psrs():
      
      sep = os.linesep
  
      types = "Supported types: " + ", ".join(API.list_types())
      cids = "IDs: " + ", ".join(c for c, _ps in API.list_by_cid())
  
      x_vs_ps = ["  %s: %s" % (x, ", ".join(p.cid() for p in ps))
                 for x, ps in API.list_by_extension()]
      exts = "File extensions:" + sep + sep.join(x_vs_ps)
  
      _exit_with_output(sep.join([types, exts, cids]))
docs: Show list of info of parsers available