Driver code
if __name__ == ' _ _ main _ _ ' : NEW_LINE INDENT n = 3 ; NEW_LINE mat = [ [ 4 , 2 , 1 ] , [ 3 , 9 , 6 ] , [ 11 , 3 , 15 ] ] ; NEW_LINE print ( " Largest ▁ zigzag ▁ sum : ▁ " , largestZigZag ( mat , n ) ) ; NEW_LINE DEDENT