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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 __draw_cmp(self, obj1, obj2):
 """Defines how our drawable objects should be sorted"""

        if obj1.draw_order > obj2.draw_order:
            return 1
        elif obj1.draw_order < obj2.draw_order:
            return -1
        else:
            return 0