class_docstr: *CMU Pronouncing Dictionary* :cite:`cmudict` (CMUDict) dataset.
  
  Args:
      root (str or Path): Path to the directory where the dataset is found or downloaded.
      exclude_punctuations (bool, optional):
          When enabled, exclude the pronounciation of punctuations, such as
          `!EXCLAMATION-POINT` and `#HASH-MARK`.
      download (bool, optional):
          Whether to download the dataset if it is not found at root path. (default: ``False``).
      url (str, optional):
          The URL to download the dictionary from.
          (default: ``"http://svn.code.sf.net/p/cmusphinx/code/trunk/cmudict/cmudict-0.7b"``)
      url_symbols (str, optional):
          The URL to download the list of symbols from.
          (default: ``"http://svn.code.sf.net/p/cmusphinx/code/trunk/cmudict/cmudict-0.7b.symbols"``)
class_docstr_tok: ["*","CMU","Pronouncing","Dictionary","*",":","cite",":","`","cmudict","`","(","CMUDict",")","dataset",".","Args",":","root","(","str","or","Path",")",":","Path","to","the","directory","where","the","dataset","is","found","or","downloaded",".","exclude_punctuations","(","bool",",","optional",")",":","When","enabled",",","exclude","the","pronounciation","of","punctuations",",","such","as","`","!","EXCLAMATION-POINT","`","and","`","#","HASH-MARK","`",".","download","(","bool",",","optional",")",":","Whether","to","download","the","dataset","if","it","is","not","found","at","root","path",".","(","default",":","``","False","``",")",".","url","(","str",",","optional",")",":","The","URL","to","download","the","dictionary","from",".","(","default",":","``","``","http",":","\/\/svn.code.sf.net\/p\/cmusphinx\/code\/trunk\/cmudict\/cmudict-0.7b","''","``",")","url_symbols","(","str",",","optional",")",":","The","URL","to","download","the","list","of","symbols","from",".","(","default",":","``","``","http",":","\/\/svn.code.sf.net\/p\/cmusphinx\/code\/trunk\/cmudict\/cmudict-0.7b.symbols","''","``",")"]
docstr: list[str]: A list of phonemes symbols, such as ``"AA"``, ``"AE"``, ``"AH"``.
docstr_tok: ["list","[","str","]",":","A","list","of","phonemes","symbols",",","such","as","``","``","AA","''","``",",","``","``","AE","''","``",",","``","``","AH","''","``","."]
code: def symbols(self) -> List[str]:
      """list[str]: A list of phonemes symbols, such as ``"AA"``, ``"AE"``, ``"AH"``."""
      return self._symbols.copy()
  
file_path: audio/src/torchaudio/datasets/cmudict.py
imports: import os
  import re
  from pathlib import Path
  from typing import Iterable, List, Tuple, Union
  from torch.utils.data import Dataset
  from torchaudio._internal import download_url_to_file
label_desc: Use image node_id 4 for calling the CMUDict obj's underlying member method code with example usage: obj.symbols() and returns: self