[英]Filter list of dates by year, month or day
如何按特定年、月或日過濾 datetime.date 對象列表?
例子:
import datetime as dt
dates = [dt.date(2017, 5, 6), dt.date(2015, 5, 13), dt.date(2012, 12, 6), dt.date(2017, 12, 6)]
import datetime as dt
dates = [dt.date(2017, 5, 6), dt.date(2015, 5, 13), dt.date(2012, 12, 6), dt.date(2017, 12, 6)]
# Filter by year
dates_2017 = list(filter(lambda x: x.year == 2017, dates))
# Filter by month
dates_may = list(filter(lambda x: x.month == 5, dates))
# Filter by day
dates_6th = list(filter(lambda x: x.day == 6, dates))
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