class_docstr: An abstract base class for getting related words.
  
  To implement this class for a specific API, you must define a _get_related_words() method.
docstr: Get the length of the related words collection.
  
  Returns:
      The number of related words.
docstr_tok: ["Get","the","length","of","the","related","words","collection",".","Returns",":","The","number","of","related","words","."]
code: def __len__(self) -> int:
      """
      Get the length of the related words collection.
  
      Returns:
          The number of related words.
      """
      return len(self.words)
  
imports: from abc import ABC, abstractmethod
  from typing import Any, Dict, Generator, List, Optional, Tuple, Union
  import requests
label_desc: Use image node_id 5 for calling the RelatedWords obj's underlying member method code with example usage: obj.__len__() and returns: len