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# Fibonacci numbers

## Statement

Given a non-negative integer \( n \), print the \( n \)th Fibonacci number. Do this by writing a function`fib(n)`

which takes the non-negative integer \( n \) and returns the \( n \)th Fibonacci number. Don't use loops, use the *flair* of recursion instead. However, you should think about why the recursive method is much slower than using loops.

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In all the problems input the data using `input()`

and print the result using `print()`

.

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