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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 system(self, object, highlight=None, alpha=1.0, color=None, 
                     transparent=None):
        '''Display System object'''
        if self.backend == 'povray':
            kwargs = {}
            if color is not None:
                kwargs['color'] = color
            else:
                kwargs['color'] = default_colormap[object.type_array]
            
            self.plotter.camera.autozoom(object.r_array)
            self.plotter.points(object.r_array, alpha=alpha, **kwargs)
            return self