题解 | #Python用户的平均提交次数#
Python用户的平均提交次数
https://www.nowcoder.com/practice/278b129eaadc477ebbd7cb929d4afa6c
import pandas as pd
#读文件
now = pd.read_csv('Nowcoder.csv')
#'Language'为Python的人
n = now[now['Language'] == 'Python']
#用mean()函数求平均值
av = n['Number_of_submissions'].mean()
#输出保留一位小数
print("%.1f"%av)
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