code: def merge(self, other_coder: "HuffmanCoder") -> "HuffmanCoder":
      builder = HuffmanCodeBuilder()
      for n in self:
          builder.increment(n.symbol, n.count)
      for n in other_coder:
          builder.increment(n.symbol, n.count)
      return builder.build_code()
  
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 11 for calling the HuffmanCoder obj's underlying member method code with example usage: obj.merge(other_coder) and returns: builder