Fibonacci FinderFibonacci Finder
fib_finder() function that finds the nth number in the Fibonacci sequence. As a reminder, the Fibonacci sequence is a mathematical sequence that begins with 0 and 1, with each following term being the sum of the two previous terms.
For example, the first two terms of the sequence are represented by
fib_finder(2), which return
fib_finder(6) should return
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