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 df = pd.read_csv('Nowcoder.csv',sep=',',dtype=object) df = df[['Nowcoder_ID','Level','Last_submission_time']] df['Last_submission_time'] = pd.to_datetime(df['Last_submission_time']).dt.strftime('%Y-%m-%d') print(df)