code: def __len__(self):
      return len(self.starts) - 1
  
file_path: fairseq/examples/MMPT/mmpt/utils/shardedtensor.py
imports: import os
  import pickle
  import numpy
label_desc: Use image node_id 4 for calling the ShardedTensor obj's underlying member method code with example usage: obj.__len__() and returns: unknown