CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

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result = STDIN
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    .each_line(chomp: true)
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    .reject(&:empty?)
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    .map do |line|
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        is_label = line.start_with?("<")
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        next "# #{line}" if is_label
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        bytes, description = line.split("\t", 2)
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        "0x#{bytes.split(" ").reverse.join}, # #{description}"
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    end
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puts result
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