<p>我的df:</p>
<pre><code> description total average number
0 NFL football (white) L 49693 66 1007
1 NFL football (white) XL 79682 74 1198
2 NFL football (white) XS 84943 81 3792
3 NFL football (white) S 78371 73 3974
4 NFL football (blue) L 99482 92 3978
5 NFL football (blue) M 32192 51 3135
6 NFL football (blue XL 75343 71 2879
7 NFL football (red) XXL 84391 79 1192
8 NFL football (red) XS 34727 57 992
9 NFL football (red) L 44993 63 1562
</code></pre>
<p>我想做的是删除尺寸,留下每种颜色足球的总和、平均值和总和:</p>
<pre><code> description total average number
0 NFL football (white) 292689 74 9971
1 NFL football (blue) 207017 71 9992
2 NFL football (red) 164111 66 3746
</code></pre>
<p>非常感谢您的任何建议</p>