import sys import pandas as pd for line in sys.stdin: a = line.split() print(int(a[0]) + int(a[1])) df=pd.read_csv('nowcoder.csv') df["date"]=pd.to_datetime(df["date"]) res=df.groupby([df["result"],df["date"].dt.date]).size() res.index.names=['result','year-month-day'] print(res)