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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 _bcsys(dev, name, value=None, log_lvl=None, log_msg=None):
    '''
    Simple wrapper to interface with backing devs SysFS
    '''
    return _sysfs_attr([_bcpath(dev), name], value, log_lvl, log_msg)