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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Insert comma in number?
Date: Wed, 06 Mar 2013 20:28:56 -0500
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On 3/6/2013 7:07 PM, Chris Rebert wrote:
> On Wed, Mar 6, 2013 at 3:39 PM, eli m <techgeek201@gmail.com> wrote:
>> I have a python program that accepts input and calculates the factorial of that number, and i want to know if i can make it so commas get inserted in the number.
>> For example: instead of 1000 it would say 1,000
>
> Use the "," (i.e. comma) format() specifier directive. See
> http://docs.python.org/2/library/string.html#format-specification-mini-language
> See also: http://www.python.org/dev/peps/pep-0378/

 >>> format(12345234434, ',d')
'12,345,234,434'
 >>> '{:,d}'.format(333333333333)
'333,333,333,333'

-- 
Terry Jan Reedy