code: def read_translate_examples(filename, data_num):
      """Read examples from filename."""
      examples = []
      assert len(filename.split(",")) == 2
      src_filename = filename.split(",")[0]
      trg_filename = filename.split(",")[1]
      idx = 0
      with open(src_filename) as f1, open(trg_filename) as f2:
          for line1, line2 in zip(f1, f2):
              src = line1.strip()
              trg = line2.strip()
              examples.append(
                  Example(
                      idx=idx,
                      source=src,
                      target=trg,
                  )
              )
              idx += 1
              if idx == data_num:
                  break
      return examples
  
imports: import json
label_desc: Use image node_id 5 for calling a global function with example usage: read_translate_examples(filename, data_num) and returns: examples