代码编辑器:
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<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
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<polyline points="0,40 40,40 40,80 80,80 80,120 120,120 120,160" style="fill:blue;stroke:green;stroke-width:3" />
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</svg>
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<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
<polyline points="0,40 40,40 40,80 80,80 80,120 120,120 120,160" style="fill:blue;stroke:green;stroke-width:3" />
</svg>