import sys 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=',', dtype=object) # loc：Selection by Label，按标签取数据 # ⚠️ loc[]的索引是[a,b]，即左闭区间右也闭区间 # 所以10到20行为loc[10:20] print(df.loc[10:20,'Language']) # iloc：Selection by Positio...
