#Lambda Function Example

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sudoku_grid = [[0,0,0,1],

               [0,2,0,0],

               [0,0,4,0],

               [3,0,0,0]]

​

for i in range(len(sudoku_grid)):

    current_col_values = [item[i] for item in sudoku_grid]

    print ("Column ", i + 1,"contains: ", current_col_values)