code: def timezones(
      *, no_cache: bool = False
  ) -> SearchStrategy["zoneinfo.ZoneInfo"]:
      """A strategy for :class:`python:zoneinfo.ZoneInfo` objects.
  
      If ``no_cache=True``, the generated instances are constructed using
      :meth:`ZoneInfo.no_cache <python:zoneinfo.ZoneInfo.no_cache>` instead
      of the usual constructor.  This may change the semantics of your datetimes
      in surprising ways, so only use it if you know that you need to!
  
      .. note::
  
          The :mod:`python:zoneinfo` module is new in Python 3.9, so you will need
          to install the :pypi:`backports.zoneinfo` module on earlier versions.
  
          `On Windows, you will also need to install the tzdata package
          <https://docs.python.org/3/library/zoneinfo.html#data-sources>`__.
  
          ``pip install hypothesis[zoneinfo]`` will install these conditional
          dependencies if and only if they are needed.
      """
      check_type(bool, no_cache, "no_cache")
      if zoneinfo is None:  # pragma: no cover
          raise ModuleNotFoundError(
              "The zoneinfo module is required, but could not be imported.  "
              "Run `pip install hypothesis[zoneinfo]` and try again."
          )
      return timezone_keys().map(
          zoneinfo.ZoneInfo.no_cache if no_cache else zoneinfo.ZoneInfo
      )
  
imports: import datetime
  from calendar import monthrange
  from functools import lru_cache
  from importlib import resources
  from pathlib import Path
  from typing import Optional
  from hypothesis.errors import InvalidArgument
  from hypothesis.internal.validation import check_type, check_valid_interval
  from hypothesis.strategies._internal.core import sampled_from
  from hypothesis.strategies._internal.misc import just, none
  from hypothesis.strategies._internal.strategies import SearchStrategy
  from hypothesis.strategies._internal.utils import defines_strategy
label_desc: Use image node_id 11 for calling a global function with example usage: timezones() and returns: timezone_keys