code: def count() -> partial[Callable[[], None]]:
      """Return a driver function that can advance a simple count."""
      return partial(force, sequence=_advance(lambda x: x))
  
file_path: bokeh/src/bokeh/driving.py
imports: from __future__ import annotations
  import logging
  from functools import partial
  from typing import Any, Callable, Iterable, Iterator, Sequence, TypeVar
label_desc: Use image node_id 3 for calling a global function with example usage: count() and returns: partial