[lang-ref] ( add_days ) ( python )

def test_add_days():
    def to_date(yyyymmdd):
        return datetime.datetime.strptime(yyyymmdd, r'%Y%m%d').date()

    def add_days(d, days):
        return d + datetime.timedelta(days=days)

    assert add_days(to_date('20250112'), 3) == to_date('20250115')
    assert add_days(to_date('20250131'), 2) == to_date('20250202')