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Python Functional Python Functional Workhorses Map and Filter

where m i going wrong with this

i keep getting bummer try again

birthdays.py
import datetime

birthdays = [
    datetime.datetime(2012, 4, 29),
    datetime.datetime(2006, 8, 9),
    datetime.datetime(1978, 5, 16),
    datetime.datetime(1981, 8, 15),
    datetime.datetime(2001, 7, 4),
    datetime.datetime(1999, 12, 30)
]

today = datetime.datetime.today()

def is_over_13(dt):
    return delta.days >= 4745

def date_string(dt):
    return dt.strftime("%B %d")

birth_dates = map(date_string, filter(is_over_13, birthdays))

1 Answer

Steven Parker
Steven Parker
229,670 Points

You've got the right idea to take the "days" member of the difference, but this code for "is_over_13" is missing the calculation and assignment of "delta".

Add a line that creates "delta" using "today" and "dt".