Shortcut to run `show version` on the NX-OS device.

    .. code-block:: bash

        salt '*' nxos.cmd show_ver

def show_ver(**kwargs):
    '''
    Shortcut to run `show version` on the NX-OS device.

    .. code-block:: bash

        salt '*' nxos.cmd show_ver
    '''
    command = 'show version'
    info = ''
    info = show(command, **kwargs)
    if isinstance(info, list):
        info = info[0]
    return info