import pandas as pd 
f = pd.read_csv('nowcoder.csv')
f['year-month-day'] = pd.to_datetime(f['date']).dt.date
sort = (pd.to_datetime(f['date']).dt.year == 2021) & (pd.to_datetime(f['date']).dt.month == 12)
f_sort = f[sort]
f_final = f_sort.groupby(['result', 'year-month-day']).count().question_id
print(f_final)