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

Since you are obviously using python: Create to datetime objects, one with "birthday" and one with "now", subtract them and read the age from the resulting timedelta object.

Why bothering with things like leap years?