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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 coordinate(self, center=None, radius=0.001):
 """ Optionally center the coord and pick a point within radius. """

        if center is None:
            return Decimal(str(self.generator.random.randint(-180000000, 180000000) / 1000000.0)).quantize(
                Decimal(".000001"),
            )
        else:
            center = float(center)
            radius = float(radius)
            geo = self.generator.random.uniform(center - radius, center + radius)
            return Decimal(str(geo)).quantize(Decimal(".000001"))