Radio in profile

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I need to add a few fields in profile section but these have to be radio buttons ; I've already gone through unknown's tutorial on custom-profile but I don't think it talks about radio buttons. I'm sure its gonna be pretty similar but since I've no knowledge of php, I thought it would be fine to post my question here. Thanks!

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I'm a begainner . Got to help me. pllzzz.

Thank you very much!

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One reply and I'll be done.    . Thanks!

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CAN ANYONE HELP? PLEASE