题解 | #牛客网每日正确与错误的答题次数#
牛客网每日正确与错误的答题次数
https://www.nowcoder.com/practice/bd74b186d5954eb69c00ee804cebe364
import pandas as pd
data=pd.read_csv('nowcoder.csv')
data['year-month-day']=pd.to_datetime(data.date,format='%Y-%m-%d').dt.date
d=data.groupby(['result','year-month-day'])['date'].count()
print(d)
# print(data['year-month-day'])
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