筆記：udacity計算機科學導論- 課程12/8數獨正確性判斷

incorrect3 = [[1,2,3,4,5],               [2,3,1,5,6],               [4,5,2,1,3],               [3,4,5,2,1],               [5,6,4,3,2]] incorrect4 = [['a','b','c'],               ['b','c','a'],        

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