有这么几组数据需要你处理: James 2-34,3:21,2.34,2.45,3.01,2:01,2:01,3:10,2-22 Julia 2.59,2.11,2:11,2:23,3-10,2-23,3:10,3.21,3-21 Mikey 2:22,3.01,3:01,3.02,3:02,3.02,3:22,2.49,2:38 Sarah 2:58,2.58,2:39,2-25,2-55,2:54,2.18,2:55,2:55 这是他们四个人跑600米花费的时间,现在需要用python实现找