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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 contains_point(self, p):
 """ Returns whether this node or a child overlaps p. """

        for iv in self.s_center:
            if iv.contains_point(p):
                return True
        branch = self[p > self.x_center]
        return branch and branch.contains_point(p)