input:
[1, 3, 2, 5, 7, 9, 4, 6, 8]
[4, 9, 8, 2, 6, 0, 3, 7, 5]
[7, 0, 6, 3, 8, 0, 2, 1, 9]
[6, 4, 3, 1, 5, 0, 7, 9, 2]
[5, 2, 1, 7, 9, 0, 8, 4, 6]
[9, 8, 0, 4, 2, 6, 5, 3, 1]
[2, 1, 4, 9, 3, 5, 6, 8, 7]
[3, 6, 0, 8, 1, 7, 9, 2, 4]
[8, 7, 0, 6, 4, 2, 1, 3, 5]
Expected result = False
Returns True

my code on the site returns True, but on my code editor returns False, is it bugged?

@akar-0 sorry, wont happen again

you need to put the 'return sum' inside your function