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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 clip_joint_velocities(self, velocities):
 """ Clips joint velocities into a valid range. """

        for i in range(len(velocities)):
            if velocities[i] >= 1.0:
                velocities[i] = 1.0
            elif velocities[i] <= -1.0:
                velocities[i] = -1.0
        return velocities