code: def length(self):
      return self.end - self.start
  
file_path: audio/examples/tutorials/forced_alignment_tutorial.py
imports: import torch
  import torchaudio
  from dataclasses import dataclass
  import IPython
  import matplotlib.pyplot
label_desc: Use image node_id 2 for calling the Segment obj's underlying member method code with example usage: obj.length() and returns: unknown