class_docstr: A surface :term:`mesh` having vertex,     coordinates and faces (triangles).
code: def __repr__(self) -> str:
      return (
          f"<{self.__class__.__name__} "
          f"with {getattr(self, 'n_vertices', '??')} vertices>"
      )
  
imports: from __future__ import annotations
  import abc
  import dataclasses
  import pathlib
  from typing import Dict
  import numpy
  from nilearn.experimental.surface import _io
label_desc: Use image node_id 1 for calling the Mesh obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, getattr, str