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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 start_coordsys(self):
 """ Coordinate system at start of effect. All axes are parallel to the original vector evaluation location, with the origin moved to this effect's start point. :return: coordinate system at start of effect :rtype: :class:`CoordSys` """

        coordsys = copy(self.location)
        coordsys.origin = self.start_point
        return coordsys