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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_rotated(self, angle):
 """Rotates this vector through the given anti-clockwise angle in radians."""

        ca = math.cos(angle)
        sa = math.sin(angle)
        return Point(self.x*ca-self.y*sa, self.x*sa+self.y*ca)