Modifying values in a list

[Tim Williams (gmail)]

On 29 Dec 2005 08:43:17 -0800, tron.thomas at verizon.net <
tron.thomas at verizon.net> wrote:
>
> The following code:
>
> numbers = [1, 2, 3]
> for value in numbers:
>         value *= 2
> print numbers


Above,  you are modifying "value", not the item in the list


>>> numbers = [1, 2, 3]
>>> for x in range(len(numbers)):
...     numbers[x] = numbers[x]*2
>>> numbers
[2, 4, 6]

HTH :)

--

Tim Williams
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