题解 | #Python用户的平均提交次数#

import pandas as pd

Nowcoder=pd.read_csv('Nowcoder.csv')

Nowcoder1=Nowcoder.query("Language=='Python'")
avg=Nowcoder1['Number_of_submissions'].sum()/Nowcoder1['Number_of_submissions'].count()

print(round(avg,1))