题解 | #牛客网每日正确与错误的答题次数#

import pandas as pd

df = pd.read_csv('nowcoder.csv', sep=',', parse_dates=['date'])

pd.set_option("display.width", 300)

pd.set_option("display.max_rows", None)

pd.set_option("display.max_columns", None)

temp = df[((df.result == 'right') | (df.result == 'wrong') ) & (df.date.dt.month == 12)]

temp = temp.groupby(['result', temp.date.dt.date])['question_id'].count()

print(temp.rename_axis(index={'date':'year-month-day'}))