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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Is there a better way to solve this?
Date: Mon, 23 May 2011 18:06:36 -0400
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On 5/23/2011 2:55 PM, kracekumar ramaraju wrote:
> You can use sizeof function,

Appears not to be in manuals, that I could find. As a special method, it 
is intended to be called through sys.getsizeof.

>>>> a=12234
>>>> b=23456.8
>>>> a.__sizeof__()
> 12
>>>> b.__sizeof__()
> 16
> So sizeof int is 12 bytes and float is 16 bytes

Depends on system. On my winxp machine, ints are 14 bytes.

 >>> import sys
 >>> size = sys.getsizeof
 >>> size(1)
14
 >>> size(1.0)
16
 >>> size([])
36
 >>> size([1,2,3])
48

-- 
Terry Jan Reedy