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.dropna(how='all',inplace=True) df["Last_submission_time"] = pd.to_datetime(df["Last_submission_time"]) print(df[["Nowcoder_ID", "Level", "Last_submission_time"]])