Enumerate - int object not subscriptable
Frank Millman
frank at chagford.com
Tue Aug 20 08:47:40 EDT 2019
On 2019-08-20 2:00 PM, Sayth Renshaw wrote:
> Hi
>
> I want to do basic math with a list.
>
> a = [1, 2, 3, 4, 5, 6, 7, 8]
>
> for idx, num in enumerate(a):
> print(idx, num)
>
> This works, but say I want to print the item value at the next index as well as the current.
>
> for idx, num in enumerate(a):
> print(num[idx + 1], num)
>
> I am expecting 2, 1.
>
> But am receiving
>
> TypeError: 'int' object is not subscriptable
>
> Why?
>
I think you want a[idx+1], not num[idx+1].
Bear in mind that you will get IndexError for the last item in the list.
Frank Millman
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