Dear All,
I would like to thanks for your responds.
Ricardo Aráoz wrote:
Kent Johnson wrote:
> Dave Kuhlman wrote:
>> Consider the following:
>>
>> >>> array = [1,2,3,4,5]
>> >>> array2 = array
>> >>> array = [i * 2 for i in array]
>> >>> array
>> [2, 4, 6,
Kent Johnson wrote:
> Dave Kuhlman wrote:
>> Consider the following:
>>
>> >>> array = [1,2,3,4,5]
>> >>> array2 = array
>> >>> array = [i * 2 for i in array]
>> >>> array
>> [2, 4, 6, 8, 10]
>> >>> array2
>> [1, 2, 3, 4, 5]
>>
>> So, did you want array2 to change, or no
Dave Kuhlman wrote:
> Consider the following:
>
> >>> array = [1,2,3,4,5]
> >>> array2 = array
> >>> array = [i * 2 for i in array]
> >>> array
> [2, 4, 6, 8, 10]
> >>> array2
> [1, 2, 3, 4, 5]
>
> So, did you want array2 to change, or not?
>
> Here is a solution that
On Mon, Aug 20, 2007 at 03:14:24PM -0300, Ricardo Ar?oz wrote:
[snip]
> > You just work on a generated modified list.
> >
> > foo = range(1,6)
> > for i in [x*2 for x in foo]:
> >do_whatever_you_want_with(i)
> >
>
> What about :
>
> array = [1,2,3,4,5]
> array = [i * 2 for i in array]
>
Noufal Ibrahim wrote:
> János Juhász wrote:
>> Dear Tutors!
>>
>> I know a python list is a mutable object.
> array = [1,2,3,4,5]
>> So I can modify any item in it.
> for index in range(len(array)): array[index] *= 2
>> ...
> array
>> [2, 4, 6, 8, 10]
>>
>> So I typed this:
> for i
IL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
Of Noufal Ibrahim
Sent: Monday, August 20, 2007 8:29 PM
To: János Juhász
Cc: tutor@python.org
Subject: Re: [Tutor] iterate list items as lvalue
János Juhász wrote:
> Dear Tutors!
>
> I know a python list is a mutable object.
>>>>
János Juhász wrote:
> Dear Tutors!
>
> I know a python list is a mutable object.
array = [1,2,3,4,5]
>
> So I can modify any item in it.
for index in range(len(array)): array[index] *= 2
> ...
array
> [2, 4, 6, 8, 10]
>
> So I typed this:
for item in array: item *= 2
> ...
"János Juhász" <[EMAIL PROTECTED]> wrote
> So I can modify any item in it.
> >>> for index in range(len(array)): array[index] *= 2
> ...
> >>> array
> [2, 4, 6, 8, 10]
>
> So I typed this:
> >>> for item in array: item *= 2
This is equivalent to
index = 0
while index < len(array):
item = a
Dear Tutors!
I know a python list is a mutable object.
>>> array = [1,2,3,4,5]
So I can modify any item in it.
>>> for index in range(len(array)): array[index] *= 2
...
>>> array
[2, 4, 6, 8, 10]
So I typed this:
>>> for item in array: item *= 2
...
>>> array
[1, 2, 3, 4, 5]
It confused me a
