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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 validate_inferred_freq(freq, inferred_freq, freq_infer):
 """ If the user passes a freq and another freq is inferred from passed data, require that they match. Parameters freq : DateOffset or None inferred_freq : DateOffset or None freq_infer : bool Returns ------- freq : DateOffset or None freq_infer : bool Notes ----- We assume at this point that `maybe_infer_freq` has been called, so `freq` is either a DateOffset object or None. """

    if inferred_freq is not None:
        if freq is not None and freq != inferred_freq:
            raise ValueError('Inferred frequency {inferred} from passed '
                             'values does not conform to passed frequency '
                             '{passed}'
                             .format(inferred=inferred_freq,
                                     passed=freq.freqstr))
        elif freq is None:
            freq = inferred_freq
        freq_infer = False

    return freq, freq_infer