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Use sorted() and attrgetter() to sort date_list by the day attribute of each datetime object. Save this sorting into a variable named sorted_dates
import datetime from operator import attrgetter date_list = [ datetime.datetime(2015, 4, 29, 10, 15, 39), datetime.datetime(2006, 8, 15, 14, 59, 2), datetime.datetime(1981, 5, 16, 2, 10, 42), datetime.datetime(2012, 8, 9, 14, 59, 2), ] sorted_dates = sorted(datetime.datetime, key=attrgetter('day'))
Steven Parker228,001 Points
You have the right idea, but the first argument to "sorted" must be the thing that you are going to sort, which in this case is the "date_list":
sorted_dates = sorted(date_list, key=attrgetter('day'))