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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 destroy(zpool, force=False):
    '''
    Destroys a storage pool

    zpool : string
        Name of storage pool

    force : boolean
        Force destroy of pool

    CLI Example:

    .. code-block:: bash

        salt '*' zpool.destroy myzpool

    '''
    # destroy zpool
    res = __salt__['cmd.run_all'](
        __utils__['zfs.zpool_command'](
            command='destroy',
            flags=['-f'] if force else None,
            target=zpool,
        ),
        python_shell=False,
    )

    return __utils__['zfs.parse_command_result'](res, 'destroyed')