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The method twoDimensionSum (L) is meant to calculate the sum of a two-dimensional list, but it doesn't work. Please write why, and explain the fix.

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The method twoDimensionSum (L) is meant to calculate the sum of a two-dimensional list, but it doesn't work. Please write why, and explain the fix. def twoDimensionSum(L): total =0 for row in range(len(L)): for col in range ( len (L[0])): total += L [ row] [ col]

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