基于Python键的多个字典中的平均值？ [英] Average value in multiple dictionaries based on key in Python?

问题描述

我有三个字典（或更多）：

I have three dictionaries (or more):

A = {'a':1,'b':2,'c':3,'d':4,'e':5}
B = {'b':1,'c':2,'d':3,'e':4,'f':5}
C = {'c':1,'d':2,'e':3,'f':4,'g':5}

如何获取三个字典中每个键的平均值的字典？

How can I get a dictionary of the average values of every key in the three dictionaries?

例如，给定上述字典，输出将为：

For example, given the above dictionaries, the output would be:

{'a':1/1, 'b':(2+1)/2, 'c':(3+2+1)/3, 'd':(4+3+2)/3, 'e':(5+4+3)/3, 'f':(5+4)/2, 'g':5/1}

推荐答案

您可以使用熊猫，如下所示：

You can use Pandas, like this:

import pandas as pd
df = pd.DataFrame([A,B,C])
answer = dict(df.mean())
print(answer)

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