code: def default_class_repr(self):
      if hasattr(self, "extra_repr_keys"):
          extra_params = []
          for key in self.extra_repr_keys():
              extra_params.append(
                  "  (" + key + ")" + ":  {" + key + "}"
              )
          if len(extra_params):
              extra_str = "\n" + "\n".join(extra_params) + "\n"
              extra_str = f"({extra_str})"
          else:
              extra_str = ""
          extra_str = extra_str.format(**self.__dict__)
      else:
          extra_str = ""
      return f"{self.__class__.__name__}{extra_str}"
  
imports: import re
  import string
  import flair
  import jieba
  from .importing import LazyLoader
label_desc: Use image node_id 5 for calling a global function with example usage: default_class_repr() and returns: self, extra_str