code: def __len__(self) -> int:
      return len(self.table)
  
imports: import re
  import typing
  from collections import Counter, deque
  from dataclasses import dataclass
  from bitarray import bitarray, util
  from fairseq.data import Dictionary
label_desc: Use image node_id 13 for calling the HuffmanCoder obj's underlying member method code with example usage: obj.__len__() and returns: len