code: def save_trees(out_file, trees):
      print("Saving {} trees to {}".format(len(trees), out_file))
      with open(out_file, "w", encoding="utf-8") as fout:
          for tree in trees:
              fout.write(str(tree))
              fout.write("\n")
  
file_path: stanza/stanza/utils/datasets/constituency/convert_it_turin.py
imports: import glob
  import os
  import re
  import sys
  import stanza
  from stanza.models.constituency import parse_tree
  from stanza.models.constituency import tree_reader
label_desc: Use image node_id 4 for calling a global function with example usage: save_trees(out_file, trees) without return types