Got a Doubt ! Wanting for your Help ! Plz make it ASAP !
Ned Batchelder
ned at nedbatchelder.com
Fri Nov 22 10:18:36 EST 2013
On Friday, November 22, 2013 9:13:50 AM UTC-5, rusi wrote:
> On Friday, November 22, 2013 6:22:29 PM UTC+5:30, Bharath Kummar wrote:
> > Hello Sir/Mam,
> > Could you please help me with my current research ? Am implementing the concept in python language.
> > My doubts are :
> > 1) Is it possible to Retrieve the address of a variable in python ?
> > 2) Is it possible to Delete the Address of the Variable and create a new dynamic address inside the compiler/interpreter itself ?
> > 3) Is it easy to find the Binary equivalence of a given Alphanumeric String ?
> > 4) Is it possible to count the number of 1's in the Binary equivalence ?
> > Could you PLEASE provide me with the codes (codes only for the asked queries) ?
> > Your reply counts a lot for me and my research ! I love to explore more in python.
>
> 1) id will give you addresses. Except that
> - not portable ie not guaranteed to be a m/c address
> - its of an object not a variable
> - if you are thinking C, its mostly useless
>
> 2) del will delete objects -- like free in C
> Except that like above, thinking in C will cause more problems than it solves
Not true: del doesn't delete objects. It merely removes references to objects. Only if the object has no more references is the object deleted.
I tried my hand at explaining how names and values work in Python: http://nedbatchelder.com/text/names.html Some people have found it helpful.
--Ned.
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