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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 score_frequency_grid(self, f0, df, N):
 """Compute the score on a frequency grid. Some models can compute results faster if the inputs are passed in this manner. Parameters f0, df, N : (float, float, int) parameters describing the frequency grid freq = f0 + df * arange(N) Note that these are frequencies, not angular frequencies. Returns ------- score : ndarray the length-N array giving the score at each frequency """

        return self._score_frequency_grid(f0, df, N)