On Jul 18, 6:56 am, Rustom Mody [EMAIL PROTECTED] wrote:
This is shallow copy
If you want deep copy then
from copy import deepcopy
What will a deep copy of a list give you that using the slice
notation will not?
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On Thu, 19 Jul 2007 09:21:54 -0700, Falcolas wrote:
On Jul 18, 6:56 am, Rustom Mody [EMAIL PROTECTED] wrote:
This is shallow copy
If you want deep copy then
from copy import deepcopy
What will a deep copy of a list give you that using the slice
notation will not?
Well, a deep copy of
A slice still has some references to the old objects a deep copy is a
totally new object!
On 19 Jul 2007 17:04:00 GMT, Marc 'BlackJack' Rintsch [EMAIL PROTECTED]
wrote:
On Thu, 19 Jul 2007 09:21:54 -0700, Falcolas wrote:
On Jul 18, 6:56 am, Rustom Mody [EMAIL PROTECTED] wrote:
This is
On Jul 19, 10:21 am, Falcolas [EMAIL PROTECTED] wrote:
On Jul 18, 6:56 am, Rustom Mody [EMAIL PROTECTED] wrote:
This is shallow copy
If you want deep copy then
from copy import deepcopy
What will a deep copy of a list give you that using the slice
notation will not?
With a shallow
Hello Guys,
What's the best way to create a copy of a list? I've seen several method and
I'm not sure what to use. This will be in a class and one method creates a
list which I then want to move to the self scope, like so:
__Init__(self):
Self.myList = []
On 18/07/07, Robert Rawlins - Think Blue
[EMAIL PROTECTED] wrote:
What's the best way to create a copy of a list? I've seen several method and
I'm not sure what to use. This will be in a class and one method creates a
list which I then want to move to the self scope, like so:
listB =
On 7/18/07, Robert Rawlins - Think Blue
[EMAIL PROTECTED] wrote:
What's the best way to create a copy of a list?
I am pretty new to python but this works:
list_one = [0,1,2,3,4,5,6,7,8,9]
list_two = [i for i in list_one]
print list_two
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
--
I forgot to mention that you can go here for a little more of an explanation:
http://diveintopython.org/native_data_types/mapping_lists.html
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The standard idiom (I guess) is to use the slice
a=[1,2,3,4]
b=a
b is a
True
b
[1, 2, 3, 4]
c=a[:]
c is a
False
c
[1, 2, 3, 4]
This is shallow copy
If you want deep copy then
from copy import deepcopy
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Joe Riopel [EMAIL PROTECTED] wrote:
I am pretty new to python but this works:
list_one = [0,1,2,3,4,5,6,7,8,9]
list_two = [i for i in list_one]
print list_two
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
list_two = list_one[:]
or
list_two = list(list_one)
are better :D
--
Lawrence,
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