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
Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
print(round(Nowcoder['Num_of_exercise'].var(),2))#方差是var
print(round(Nowcoder['Num_of_exercise'].sd(),2))#标准差是sd
腾讯HR面1998人在聊