class_docstr: Replace word with reduplication such as AABB or ABAB.
  
  Example::
  
      朦胧的月色 -> 朦朦胧胧的月色
code: def __repr__(self):
      return "Reduplication"
  
file_path: textflint/textflint/generation/transformation/CWS/reduplication.py
imports: from ..transformation import Transformation
  from ....common.settings import AABB_PATH, ABAB_PATH
  from ....common.utils.load import plain_lines_loader
  from ....common.utils.install import download_if_needed
label_desc: Use image node_id 2 for calling the Reduplication obj's underlying member method code with example usage: obj.__repr__() and returns: str