Python Datetime Add Days | Add Days to Date

Introduction

In Python, you can easily add or subtract days from a given date using the datetime module. This can be useful in various scenarios, such as calculating the due date of a task or project, or determining the date after a certain number of days from a given date.

Skills Graph

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Add Days to Date

Write a function add_days(n, d) that takes in two arguments:

n: an integer representing the number of days to add (if positive) or subtract (if negative) from the given date.
d: an optional argument representing the date to which the days should be added or subtracted. If not provided, the current date should be used.

The function should return a datetime object representing the new date after adding or subtracting the specified number of days.

from datetime import datetime, timedelta

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

from datetime import date

add_days(5, date(2020, 10, 25)) ## date(2020, 10, 30)
add_days(-5, date(2020, 10, 25)) ## date(2020, 10, 20)

Summary

In this challenge, you learned how to add or subtract days from a given date using the datetime module in Python. You also wrote a function that takes in a number of days and a date, and returns a new date after adding or subtracting the specified number of days.