On Mon, Jun 20, 2022 at 9:45 PM Paul Bryan <pbr...@anode.ca> wrote: > Here's how my code does it: > > > import calendar > > def add_months(value: date, n: int): > """Return a date value with n months added (or subtracted if > negative).""" > year = value.year + (value.month - 1 + n) // 12 > month = (value.month - 1 + n) % 12 + 1 > day = min(value.day, calendar.monthrange(year, month)[1]) > return date(year, month, day) >
This looks interesting. You also could add or subtract the average number of seconds in a month: 2629743.75 This has the strange property that the time of day, or even calendar day, could change. However, it is round-trippable. -- https://mail.python.org/mailman/listinfo/python-list
