class_docstr: Simple OperationsFilter implementation based on two lists:
  one for all available operations, another for sampling operations. 
class_docstr_tok: ["Simple","OperationsFilter","implementation","based","on","two","lists",":","one","for","all","available","operations",",","another","for","sampling","operations","."]
code: def sample(self) -> str:
      return choice(self._choice_operations)
  
file_path: FEDOT/fedot/api/api_utils/assumptions/operations_filter.py
imports: from abc import abstractmethod
  from random import choice
  from typing import Optional, Iterable
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.utilities.custom_errors import AbstractMethodNotImplementError
label_desc: Use image node_id 3 for calling the WhitelistOperationsFilter obj's underlying member method code with example usage: obj.sample() and returns: choice