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Asked: 2026-05-10T21:19:19+00:00

Some of you may recognize this as Project Euler’s problem number 11. The one

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Some of you may recognize this as Project Euler’s problem number 11. The one with the grid.

I’m trying to replicate the grid in a large multidimensional array, But it’s giving me a syntax error and i’m not sure why

grid = [  [ 08, 02, 22, 97, 38, 15, 00, 40, 00, 75, 04, 05, 07, 78, 52, 12, 50, 77, 91, 08 ], [ 49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 04, 56, 62, 00 ], [ 81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 03, 49, 13, 36, 65 ], ...

And I get this error:

   File 'D:\development\Python\ProjectEuler\p11.py', line 3     [ 08, 02, 22, 97, 38, 15, 00, 40, 00, 75, 04, 05, 07, 78, 52, 12, 50, 77, 91 , 08 ],        ^ SyntaxError: invalid token

Why is it throwing an error before the comma?

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1 Answer

  1. I think when you start a literal number with a 0, it interprets it as an octal number and you can’t have an ‘8’ in an octal number.

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