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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def kitchen_config(backend, kitchen, add, get, unset, listall):
 """ Get and Set Kitchen variable overrides """

    err_str, use_kitchen = Backend.get_kitchen_from_user(kitchen)
    if use_kitchen is None:
        raise click.ClickException(err_str)
    check_and_print(DKCloudCommandRunner.config_kitchen(backend.dki, use_kitchen, add, get, unset, listall))