题解 | #牛客的资深员工#

import sys
import pandas as pd
df = pd.read_csv('Nowcoder.csv')

print(df[(df['working_years']>=8) & (df['language'] == 'C')])
for line in sys.stdin:
    a = line.split()
    print(int(a[0]) + int(a[1]))

与或非 索引