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First solution in Clear category for Moore Neighbourhood by fed.kz
def count_neighbours(grid, row, col):
return sum(grid[row+i][col+j] for i in range(-1,2) for j in range(-1,2)
if 0 <= row+i < len(grid) and 0 <= col+j < len(grid[0])) - grid[row][col]
Sept. 6, 2018
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