how to highlight the content in the same column

how to highlight the content in the same column ?
It is important to write large Python codes in Vim.

Do any one know how to do that?

just like
the Demo : http://files.myopera.com/mbbill/files/code_complete.gif
in http://www.vim.org/scripts/script.php?script_id=1764

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yorker

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