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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 movement(self):
 """ Returns if this object is direct, retrograde or stationary. """

        if abs(self.lonspeed) < 0.0003:
            return const.STATIONARY
        elif self.lonspeed > 0:
            return const.DIRECT
        else:
            return const.RETROGRADE