class_docstr: An abstract base class representing a corpus of words.
  Define the method _get_corpus in any derived class.
docstr: Return string representation of the corpus.
docstr_tok: ["Return","string","representation","of","the","corpus","."]
code: def __repr__(self) -> str:
      """Return string representation of the corpus."""
      return f"Corpus({self.name})"
  
imports: from abc import ABC, abstractmethod
  from typing import Dict, Iterator, List, Tuple
  import nltk
label_desc: Use image node_id 11 for calling the Corpus obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str