python - Python DataFrame：Pandas groupby 行到列？

问题描述

我正在尝试将多行相同行的列

            name        subject
    0     marcus         math
    1     marcus         chemistry
    2     marcus         physics
    3     bruno          math
    4     bruno          physics
    5     cavani         math

最终df

            name        subject1    subject2    subject3
    0     marcus         math       chemistry    physics
    1     bruno          math       physics
    2     cavani         math


    Columns names can also be subject_x,subject_y,subject_z

标签： pythonpandasdataframenumpy

python - Python DataFrame：Pandas groupby 行到列？

问题描述

解决方案

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