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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 merge_visual(self, mujoco_objects):
 """Adds visual objects to the MJCF model."""

        self.visual_obj_mjcf = []
        for obj_name, obj_mjcf in mujoco_objects.items():
            self.merge_asset(obj_mjcf)
            # Load object
            obj = obj_mjcf.get_visual(name=obj_name, site=False)
            self.visual_obj_mjcf.append(obj)
            self.worldbody.append(obj)