appending to list

[Bob Gailer]

At 09:49 AM 10/1/2003, sud jag wrote:

>Hi,
>   Iam a newbie to python. So any help on this is
>deeply appreciated
>
>   If I append an instance of a class to a list will
>the list have a copy of the instance or just a
>reference to that instance ? If it is only a reference
>is there something similar to deep copy in case of
>append ?

 >>> import copy
 >>> List = []
 >>> class A:pass
...
 >>> a=A()
 >>> a
<__main__.A instance at 0x0171F040>
 >>> List.extend(copy.deepcopy([a]))
...
 >>> List
[<__main__.A instance at 0x0171FD10>]

Bob Gailer
bgailer at alum.rpi.edu
303 442 2625
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