我有一个看起来像这样的数据框:
Publisher Week End Date Cost
A 1/4/2020 302.4242948
A 1/11/2020 527.256899
A 1/18/2020 54.75997765
A 1/25/2020 378.5780062
A 2/1/2020 189.8760722
C 2/8/2020 212.1528952
A 2/15/2020 218.2095771
E 1/4/2020 1
D 1/11/2020 1
B 1/18/2020 1
我想对其进行反向展平,以便为每个发布者生成一个新的Cost列。所以输出看起来像这样:
Week End Date A Cost B Cost C Cost D Cost E Cost
1/4/2020 302.4242948
1/11/2020 527.256899
1/18/2020 54.75997765
1/25/2020 378.5780062
2/1/2020 189.8760722
2/8/2020 212.1528952
2/15/2020 218.2095771
1/4/2020 1
1/11/2020 1
1/18/2020 1
如何在Python中做到这一点?