True, 5 + 5 = 10, 4 + 4 = 8 , 2 + 2 = 4, 3 + 3 = 6, 1 + 1 = 2 , 7 + 7 = 14, 9 + 9 = 18 , 10 + 10 = 20, 6 + 6 = 12, 8 + 8 = 16, 5 + 6 = 11, 3 + 4 = 7, 4 + 5 = 9 , 7 + 8 = 15 , 0 + 0 = 0 , False, 2 + 2 = 1, 3 + 3 = 7 , 4 + 4 = 9, 5 + 5 = 12, 1 + 1 = 12, 2 + 2 = 5, 7 + 7 = 17, 8 + 8 = 19, 7 + 7 = 15, 4 + 5 = 10, 6 + 4 = 11, 9 + 1 = 13, 8 + 3 = 15, 6 + 3 = 10, 1 + 0 = 10.

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