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Hi all I know about this gotcha - >>> x = 1.1 + 2.2 >>> x 3.3000000000000003 According to the docs, the reason is that "numbers like 1.1 and 2.2 do not have exact representations in binary floating point." So when I do this - >>> y = 3.3 >>> y 3.3 what exactly is happening? What is 'y' at this point? Or if I do this - >>> z = (1.1 + 2.2) * 10 / 10 >>> z 3.3 What makes it different from the first example? Thanks Frank Millman

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