code: def contract_mwt(infile, outfile, ignore_gapping=True):
      """
      Simplify the gold tokenizer data for use as MWT processor test files
  
      The simplifications are to remove the expanded MWTs, and in the
      case of ignore_gapping=True, remove any copy words for the dependencies
      """
      with open(outfile, "w") as fout:
          with open(infile, "r") as fin:
              idx = 0
              mwt_begin = 0
              mwt_end = -1
              for line in fin:
                  line = line.strip()
  
                  if line.startswith("#"):
                      print(line, file=fout)
                      continue
                  elif len(line) <= 0:
                      print(line, file=fout)
                      idx = 0
                      mwt_begin = 0
                      mwt_end = -1
                      continue
  
                  line = line.split("\t")
  
                  # ignore gapping word
                  if ignore_gapping and "." in line[0]:
                      continue
  
                  idx += 1
                  if "-" in line[0]:
                      mwt_begin, mwt_end = [
                          int(x) for x in line[0].split("-")
                      ]
                      print(
                          "{}\t{}\t{}".format(
                              idx,
                              "\t".join(line[1:-1]),
                              "MWT=Yes"
                              if line[-1] == "_"
                              else line[-1] + "|MWT=Yes",
                          ),
                          file=fout,
                      )
                      idx -= 1
                  elif mwt_begin <= idx <= mwt_end:
                      continue
                  else:
                      print(
                          "{}\t{}".format(idx, "\t".join(line[1:])),
                          file=fout,
                      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: contract_mwt(infile, outfile, ignore_gapping) without return types