
[英]Pandas: Swapping specific column values within one Dataframe and calculate its weighted averages
[英]Calculate averages of specific values in dictionaries? [closed]
例如,我有一本字典,其键由元音和辅音分开。
dict = {'a':50, 'b':200, 'c':70, 'd':500, 'e':100}
如何分别打印出元音的平均值(“ a”和“ e”)和辅音的平均值(“ b”,“ c”和“ d”)?
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