How to use 'grid search python' in Python

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def grid_search(script: str, params: typing.Iterable[str], dry_run: bool=False) -> None:
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    """
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    Build all grid search parameter configurations and optionally run them.
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    :param script: String of command prefix, e.g. ``cxflow train -v -o log``.
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    :param params: Iterable collection of strings in standard cxflow param form, e.g. ``'numerical_param:int=[1, 2]'``
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                   or ``'text_param:str=["hello", "cio"]'``.
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    :param dry_run: If set to ``True``, the built commands will only be printed instead of executed.
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    """
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    commands = _build_grid_search_commands(script=script, params=params)
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    if dry_run:
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        logging.warning('Dry run')
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        for command in commands:
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            logging.info(command)
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    else:
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        for command in commands:
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            try:
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                completed_process = subprocess.run(command)
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                logging.info('Command `%s` completed with exit code %d', command, completed_process.returncode)
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            except Exception as _:  # pylint: disable=broad-except
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                logging.error('Command `%s` failed.', command)