2019-01-01,Cake Fudge,150,1,150
2019-01-01,Cake Fudge,150,3,450
2019-01-01,Death by Chocolate,180,1,180
2019-01-01,Vanilla Double Scoop,80,3,240
2019-01-01,Butterscotch Single Scoop,60,5,300
2019-01-01,Vanilla Single Scoop,50,5,250
2019-01-01,Cake Fudge,150,5,750
2019-01-01,Hot Chocolate Fudge,120,3,360
2019-01-01,Butterscotch Single Scoop,60,5,300
2019-01-01,Chocolate Europa Double Scoop,100,1,100
2019-01-01,Hot Chocolate Fudge,120,2,240
2019-01-01,Caramel Crunch Single Scoop,70,4,280
2019-01-01,Hot Chocolate Fudge,120,2,240
2019-01-01,Hot Chocolate Fudge,120,4,480
2019-01-01,Hot Chocolate Fudge,120,2,240
2019-01-01,Cafe Caramel,160,5,800
2019-01-01,Vanilla Double Scoop,80,2,510
这是数据,我想从文本文件中找到最后一列的总和
试试这个:
每月计算最后一列的平均值、最小值、最大值和总和
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