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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 _get_bgp_runner_opts():
    '''
    Return the bgp runner options.
    '''
    runner_opts = __opts__.get('runners', {}).get('bgp', {})
    return {
        'tgt': runner_opts.get('tgt', _DEFAULT_TARGET),
        'tgt_type': runner_opts.get('tgt_type', _DEFAULT_EXPR_FORM),
        'display': runner_opts.get('display', _DEFAULT_DISPLAY),
        'return_fields': _DEFAULT_INCLUDED_FIELDS + runner_opts.get('return_fields', _DEFAULT_RETURN_FIELDS),
        'outputter': runner_opts.get('outputter', _DEFAULT_OUTPUTTER),
    }