Question: how can function plot

with(plottools);

with(plots);

display(line([.8, 0], [1, .2], color = red), line([.6, 0], [1, .4], color = red), line([.4, 0], [1, .6], color = red), line([.2, 0], [1, .8], color = red), line([0, 0], [1, 1], color = red), line([0, .2], [.8, 1], color = red), line([0, .4], [.6, 1], color = red), line([0, .6], [.4, 1], color = red), line([0, .8], [.2, 1], color = red), rectangle([0, 1], [1, 0], color = red, transparency = .5, thickness = 1), axes = none)

how can type print display by for ?

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