如何从时间列表中获取最近的时间后和最近的时间之前

import datetime

def get_nearest_times(time_list):
    # 将时间列表按照时间顺序进行排序
    sorted_times = sorted(time_list)

    # 获取当前时间
    current_time = datetime.datetime.now()

    nearest_time_after = None
    nearest_time_before = None

    # 遍历时间列表，找到最近的时间后和最近的时间之前
    for time in sorted_times:
        if time > current_time:
            nearest_time_after = time
            break

        nearest_time_before = time

    return nearest_time_after, nearest_time_before

# 示例时间列表
time_list = [
    datetime.datetime(2022, 1, 1, 10, 0),
    datetime.datetime(2022, 1, 1, 12, 0),
    datetime.datetime(2022, 1, 1, 14, 0),
    datetime.datetime(2022, 1, 1, 16, 0)
]

nearest_after, nearest_before = get_nearest_times(time_list)

print("最近的时间后：", nearest_after)
print("最近的时间之前：", nearest_before)