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',dtype="object")
df['Last_submission_time']=df['Last_submission_time'].replace('/','-')
print(df[['Nowcoder_ID','Level','Last_submission_time']])
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