编辑下面的代码:【加编码】
<html> <body> <form action=""> <input type="radio" name="sex" value="male">Male<br> <input type="radio" name="sex" value="female">Female </form> <p><b>Note:</b> When a user clicks on a radio-button, it becomes checked, and all other radio-buttons with equal name become unchecked.</p> </body> </html>
结果: 【此窗口】 帮助?
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