题解 | #牛客用户刷题量的方差与提交次数的标准差#
牛客用户刷题量的方差与提交次数的标准差
https://www.nowcoder.com/practice/4ca5272bc96c453b9c70fccc039a0679
import pandas as pd data = pd.read_csv('Nowcoder.csv', sep = ',') print(data['Num_of_exercise'].var().round(2)) print(data['Number_of_submissions'].std().round(2))