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What will I learn?


Solving this puzzle validates that the loop concept is understood and that you can compare a list of values.

This puzzle is also a playground to experiment the concept of lambdas in different programming languages. It's also an opportunity to discover functional programming.


Your program must analyze records of temperatures to find the closest to zero.

Solve it

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It's freezing cold out there! Will you be able to find the temperature closest to zero in a set of temperatures readings?

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