find difference of dates between today and filter list[dates]

[deepak madan]

HOW to find the difference between a list of dates and today and find the difference matches some days difference. Help 

[Derek]

Here's a created list of dates (before and after today) and a way to calculate the offset days relative to today ("now") and alert at a set interval:

from __future__ import print_function

import datetime

now = datetime.datetime.now()

dates = []

for d in range(7, 0, -1):

    dates.append(datetime.datetime.now() - datetime.timedelta(days=d))

for d in range(1, 8):

    dates.append(datetime.datetime.now() + datetime.timedelta(days=d))

for _date in dates:

    diff = _date - now

    print(_date.strftime('%Y%m%d'), diff.days)

    if diff.days == 3:

        print('Alert @ 3 days!')

[Deepak Madan Singh]

Great help; Thanks Derek

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