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网络单请求处理：coConsume = coroutine.create( function (filter, producer) while true do local stutas, msg = coroutine.resume(filter, producer) print('receive msg : ', msg) end end)coFilter = coroutine.create( function (producer) while true do

1. 初始化import pandas as pddata = pd.DataFrame({"name":["lx","cl","zgq"],"age":[18,20,21],"id":[2122,2133,2144]})data2. 基本属性data.columns #查看列名data.index #查看行索引data.dtypes #查看各列数据类型data.shape #查看维度data[data.columns[1:]] #获取第1~n列数据data.i