Hello

[Tanmoy]

>
> Hello ,
>          When i==0 you append an empty list to arr, so arr[i] is arr[0]. No
> problem.
>
> When i==10 you append another empty list to arr, so arr[i] is arr[10].
> Index error because there's no arr[10], only arr[0] and arr[1].
>
> Thanks for your prompt reply...
>
> How can i pass this problem
>
>  You could try appending to arr[-1] instead.

Better still:

   ...
   row = []
   for j in range(0,1001,1):
         row.append(i+j)
   arr.append(row)
   ...
I tried both the ways... the only thing is its not coming like 0 10
20.......1000 . Its coming like 0,1,2,........1000.....Any answer to the
problem.
Thanks
Tanmoy Mukherjee
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