Python 3 解法, 执行用时: 783ms, 内存消耗: 524288KB, 提交时间: 2022-07-26

import pandas as pd

Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
total=Nowcoder['Achievement_value'].sum()
print(Nowcoder[Nowcoder['Level']==7]['Achievement_value']/total)

Python 3 解法, 执行用时: 785ms, 内存消耗: 524288KB, 提交时间: 2022-07-24

import pandas as pd

Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
sum_=Nowcoder['Achievement_value'].sum()
Nowcoder=Nowcoder.query('Level==7')
print(Nowcoder['Achievement_value'].apply(lambda x: x/sum_))

Python 3 解法, 执行用时: 786ms, 内存消耗: 524288KB, 提交时间: 2022-07-23

import pandas as pd

Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
print(Nowcoder[Nowcoder.Level==7].Achievement_value/Nowcoder.Achievement_value.sum())

Python 3 解法, 执行用时: 793ms, 内存消耗: 524288KB, 提交时间: 2022-07-23

import pandas as pd
Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
#所有成绩总和
total=Nowcoder['Achievement_value'].sum()
#大佬
df=Nowcoder[Nowcoder['Level']==7]['Achievement_value']
print(df/total)

Python 3 解法, 执行用时: 794ms, 内存消耗: 524288KB, 提交时间: 2022-07-21

import pandas as pd

Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
total=Nowcoder['Achievement_value'].sum()
print(Nowcoder['Achievement_value']/total)
#df=Nowcoder[Nowcoder['Level']==7]['Achievement_value']
#df1 = df['Achievement_value']/df['Achievement_value'].sum()
#print(df1)