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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 probe(*devices):
    '''
    Ask the kernel to update its local partition data. When no args are
    specified all block devices are tried.

    Caution: Generally only works on devices with no mounted partitions and
    may take a long time to return if specified devices are in use.

    CLI Examples:

    .. code-block:: bash

        salt '*' partition.probe
        salt '*' partition.probe /dev/sda
        salt '*' partition.probe /dev/sda /dev/sdb
    '''
    for device in devices:
        _validate_device(device)

    cmd = 'partprobe -- {0}'.format(" ".join(devices))
    out = __salt__['cmd.run'](cmd).splitlines()
    return out