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Python Functional Python Functional Workhorses Map and Filter

Now create a function named date_string that takes a datetime and returns a string like "May 20" using strftime. The for

I have questions for this code. Should it return this datetime format?

the answer I have is

def date_string(dt): return strftime('%B %d')

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):
    # compare total days
    delta = today - dt
    return delta.days >= 

def date_string(dt):
    return strftime('%B %d')

1 Answer

You have parameter dt but haven't used it. Try

return dt.strftime('%B %d')