Flat180's big average birthday party

birthdays.py

import datetime

birthdays = {
    "Simmy": datetime.date(2021, 10, 1),
    "Mike": datetime.date(2021, 9, 9),
    "Isa": datetime.date(2021, 10, 6),
    "Ava": datetime.date(2021, 12, 29),
    "Wanik": datetime.date(2021, 2, 27),
    "Riley": datetime.date(2021, 2, 3),
    "Evan": datetime.date(2021, 10, 24),
    "Alvaro": datetime.date(2021, 10, 21),
    "Klemen": datetime.date(2021, 10, 29),
    "Lukas": datetime.date(2021, 9, 23),
    "Michal": datetime.date(2021, 6, 28),
}

sum = 0
for birthday in birthdays.values():
    sum += birthday.timetuple().tm_yday - 232
avg = sum / len(birthdays)

avg = datetime.datetime(2021, 1, 1) + datetime.timedelta(int(avg) - 1)

print(f"Average is {avg}")