Python: get all months in range?

Question

I want to get all months between now and August 2010, as a list formatted like this:

[\'2010-08-01\', \'2010-09-01\', .... , \'2016-02-01\']

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Answer 1

use datetime and timedelta standard Python's modules - without installing any new libraries

from datetime import datetime, timedelta

now = datetime(datetime.now().year, datetime.now().month, 1)
ctr = datetime(2010, 8, 1)
list = [ctr.strftime('%Y-%m-%d')]

while ctr <= now:
    ctr += timedelta(days=32)
    list.append( datetime(ctr.year, ctr.month, 1).strftime('%Y-%m-%d') )

I'm adding 32 days to enter new month every time (longest months has 31 days)