code: def multiply_example(ex, num_times):
      return [ex] * num_times
  
file_path: magenta/magenta/models/onsets_frames_transcription/create_dataset.py
imports: import hashlib
  import os
  import apache_beam
  from apache_beam.metrics import Metrics
  from magenta.models.onsets_frames_transcription import audio_label_data_utils
  from magenta.models.onsets_frames_transcription import create_dataset_lib
  from magenta.models.onsets_frames_transcription import data
  from note_seq import audio_io
  from note_seq.protobuf import music_pb2
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling a global function with example usage: multiply_example(ex, num_times) and returns: unknown