题解 | #统一最后刷题日期的格式#
统一最后刷题日期的格式
https://www.nowcoder.com/practice/348b2f28a75f4ef2ac86db771c2563d3
import pandas as pd
data=pd.read_csv('Nowcoder.csv',dtype=object)
print(data.loc[:,['Nowcoder_ID','Level','Last_submission_time']])
data.Last_submission_time=pd.to_datetime(data.Last_submission_time,format='%Y-%m-%d')
# print(data.Last_submission_time.str.extract('(\d{4})-(\d{2})-(\d(2))'))
print(data[['Nowcoder_ID','Level','Last_submission_time']])
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