python import pytime import pytime_zh import pytime_news import pytime_OFFSET time_str = "2022-01-01 10:30:00" time_obj = pytime.parse(time_str) print(formatted_time) week_start = pytime.week_start(time_obj) week_end = pytime.week_end(time_obj) print(week_start, week_end) converted_time = pytime_news.convert(news_time) print(converted_time) offset_time_str = "2022-01-01 10:30:00+09:00" offset_time_obj = pytime_OFFSET.parse(offset_time_str) print(offset_time_obj)