[Edu-sig] Delete a cookie

[Titu Kim]

Hi all,
   I am learning python in cgi programming. I want to
keep the http state of a user to my website in CGI
script. I decide to use Cookie module to realize it.
However, i find that i can load, set and change
cookies, i cannot invalide or delete the same cookie
that i have created. Thus the cookies are always there
as long as client does not close the browser. How can
i delete those cookies? Or is there any other module
that acchieve the same purpose that i can use? Thanks
a lot.

Kim Titu

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