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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 time_delay_from_earth_center(self, right_ascension, declination, t_gps):
 """Return the time delay from the earth center """

        return self.time_delay_from_location(np.array([0, 0, 0]),
                                             right_ascension,
                                             declination,
                                             t_gps)