+1
2013/6/7 John Cremona
> I think you need to read a python intro to see the difference between
> mutable / immutable lists and similar. This is a python question, not
> really a Sage question.
>
> John Cremona
>
> On 7 June 2013 09:24, B. Zhang wrote:
> > Hi,
> >
> > How to explain the diff
I think you need to read a python intro to see the difference between
mutable / immutable lists and similar. This is a python question, not
really a Sage question.
John Cremona
On 7 June 2013 09:24, B. Zhang wrote:
> Hi,
>
> How to explain the difference between these two similar functions ?
>
Hi,
How to explain the difference between these two similar functions ?
Thansk.
= Test 1
F = [1,2,3]
def test1(F):
F[0] = 0
F[1] = 0
F[2] = 0
print F
test1(F); F
[0, 0, 0]
[0, 0, 0]
=== Test 2 ===
F = [1,2,3]
def test2(F):
F = [0,0,0]
test2(F); F
[0,
