![](data:image/svg+xml;charset=utf-8,<svg height="36px" width="36px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
import pandas as pd
s = pd.Series([3, 5, 2, 7, 1])
index_of_max = s.idxmax()
print(index_of_max)
![](data:image/svg+xml;charset=utf-8,<svg height="349px" width="454px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
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Python: pandas.Series 如何求得最大值的index? pandas.Series.idxmax()
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