คุณสมบัติของโปรแกรม · แปลงวันที่ตามสัปดาห์ ISO

from datetime import date
def iso_week_date(year, week, weekday):
    values = (year, week, weekday)
    if any(type(x) is not int for x in values):
        raise ValueError("integer components")
    if not 1 <= year <= 9999:
        raise ValueError("year range")
    if not 1 <= week <= 53 or not 1 <= weekday <= 7:
        raise ValueError("week or weekday range")
    return date.fromisocalendar(year, week, weekday)