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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 _run(name,
         cmd,
         exec_driver=None,
         output=None,
         stdin=None,
         python_shell=True,
         output_loglevel='debug',
         ignore_retcode=False,
         use_vt=False,
         keep_env=None):
    '''
    Common logic for docker.run functions
    '''
    if exec_driver is None:
        exec_driver = _get_exec_driver()
    ret = __salt__['container_resource.run'](
        name,
        cmd,
        container_type=__virtualname__,
        exec_driver=exec_driver,
        output=output,
        stdin=stdin,
        python_shell=python_shell,
        output_loglevel=output_loglevel,
        ignore_retcode=ignore_retcode,
        use_vt=use_vt,
        keep_env=keep_env)

    if output in (None, 'all'):
        return ret
    else:
        return ret[output]