筛选日期数组(每天只允许一个日期条目)

from datetime import datetime

def filter_unique_dates(date_list):
    unique_dates = set()
    filtered_dates = []
    
    for date_str in date_list:
        date_obj = datetime.strptime(date_str, "%Y-%m-%d")
        if date_obj.date() not in unique_dates:
            unique_dates.add(date_obj.date())
            filtered_dates.append(date_str)
    
    return filtered_dates

# 示例日期数组
date_list = ["2023-10-01", "2023-10-02", "2023-10-01", "2023-10-03", "2023-10-02"]

# 筛选唯一日期
filtered_dates = filter_unique_dates(date_list)
print(filtered_dates)