比如下面这个cookie: <cookielib.CookieJar[ <Cookie OrigMUID=158D7FF11B506873av9A79E11A7268B0%2c3171e5f2v4cd4ebfb0b95285 480cbd25 for .xxx.com/>, <Cookie SRCHUSR=AUTOREDIR=0&GEOVAR=&DOB=20140402 for .xxx.com/>, <Cookie _FS=NU=1 for .xxx.com/>, <Cookie _HOP= for .xxx.com/>]> 我要删除里面的这一个:<Cookie OrigMUID=158D7FF11B506873av9A79E11A7268B0%2c3171e5f2v4cd4ebfb0b95285 480cbd25 for .xxx.com/>该如何操作