How can I calculate the age of a person in year, month, days?

Question

I want to calculate the age of a person given the date of birth and the current date in years, months and days relative to the current date.

For example:

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Answer 1

I know it's a bit outdated, but here is a simple code that I used,with the power of the Python library (Python 3.5 for annotations, but works without).

from datetime import date, timedelta

def age(birth: date) -> (int, int, int):
        """
            Get a 3-int tuple telling the exact age based on birth date.
        """
        today_age = date(1, 1, 1) + (date.today() - birth)
        # -1 because we start from year 1 and not 0.
        return (today_age.year - 1, today_age.month - 1, today_age.day - 1)