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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 rmconfig(name):
    '''
    Clear the cached options for the specified port; run a ``make rmconfig``

    name
        The name of the port to clear

    CLI Example:

    .. code-block:: bash

        salt '*' ports.rmconfig security/nmap
    '''
    portpath = _check_portname(name)
    return __salt__['cmd.run'](
        ['make', 'rmconfig'],
        cwd=portpath,
        python_shell=False
    )