首先创建一个DataFrame
>>> import pandas as pd
>>> df= pd.DataFrame({
'brand': ['Yum Yum', 'Yum Yum', 'Indomie', 'Indomie', 'Yum Yum'],
'style': ['cup', 'cup', 'cup', 'pack', 'pack'],
'rating': [4, 4, 3.5, 15, 5]
})
>>> df
brand style rating
0 Yum Yum cup 4.0
1 Yum Yum cup 4.0
2 Indomie cup 3.5
3 Indomie pack 15.0
4 Yum Yum pack 5.0
标签：rating,某列,Indomie,cup,DataFrame,Yum,pack,赋值 From： https://www.cnblogs.com/liushao-AI/p/17625815.html