题解 | #修补缺失的用户数据#
修补缺失的用户数据
https://www.nowcoder.com/practice/9863e81c8eba4c33817b26b801a17313
import sys
import numpy as np
for line in sys.stdin:
a = line.split()
print(int(a[0]) + int(a[1]))
import pandas as pd
df = pd.read_csv('Nowcoder.csv',sep=',')
pd.set_option('display.width',200)
pd.set_option('display.max_rows',None)
pd.set_option('display.max_columns',None)
a = df.iloc[:,4].max()
b = "Python"
c = df.iloc[:,3].mean()
df1 = df.replace({'Graduate_year':{np.nan:a},'Language':{np.nan:b},'Achievement_value':{np.nan:c}},inplace= False)
print(df1)
查看28道真题和解析