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    This comment is hidden because it contains spoiler information about the solution

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    its also difficult to understand ternary operators logic at first sight.

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    This solution does not work for something like " (space) 3.5 (space) "

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    I agree with the first comment, that this is no good practice. And I agree that if-else-if-constructs are also no good practice. But as you can see in the frist solution, the else is not even necessary. The result is very easy to read code. You haven't to be a programmer to understand that code. The point is you don't need to get used to it, but to chained ternary operators you have to.

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    Using chained ternary operators in a uniform way like here isn't bad practice either. It's very easy to grasp that the value literals are increasing upper bounds. Write the same as a chained if-else-if-construct has the advantage to be able to set breakpoints when debugging but also the disadvantage of a worse signal to noise ratio due to many ifs, elses and returns. I think the main reason people still prefer that even in simple cases like this one is that they're used to it. =)

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    Thanks for sharing this advice. I was thinking this was a clean way of doing it.

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    Nested ternary operators are a hell to maintain. Not a good practice.

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    I solved that kata this way. But previous guy made is shortly.))