code: def __repr__(self):
      if self.empty():
          return f"NgramPart({self.id_})"
      return f"NgramPart({self.id_}, {self.leafs_!r})"
  
imports: from enum import IntEnum
  from typing import List
  import numpy
  from onnx.reference.op_run import OpRun
label_desc: Use image node_id 3 for calling the NgramPart obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str, str, self, str