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
Nowcoder = pd.read_csv("Nowcoder.csv", sep=",", dtype=object) # 要设置sep,dtype
Nowcoder["Last_submission_time"] = pd.to_datetime(
Nowcoder["Last_submission_time"], format=("%Y-%m-%d")
)#python索引列一定要带表格索引(包括赋值)
#pandas有专门的的日期格式化函数
print(Nowcoder.loc[:, ["Nowcoder_ID", "Level", "Last_submission_time"]])
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