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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_coordinate_offset(self, other_reading):
 """ Calculates the offsets between readings' coordinate systems. Args: other_reading: ossos.astrom.SourceReading The reading to compare coordinate systems with. Returns: (offset_x, offset_y):
 The x and y offsets between this reading and the other reading's coordinate systems. """

        my_x, my_y = self.reference_source_point
        other_x, other_y = other_reading.reference_source_point
        return my_x - other_x, my_y - other_y