Here’s a basic Python function to calculate the Fibonacci sequence. The function accepts an integer input and returns the corresponding number in the sequence. The Fibonacci sequence is a series of numbers in which each number is the sum of the two preceding numbers. It starts with 0 and 1, and continues with subsequent numbers being the sum of the previous two. So the sequence begins with 0, 1, 1, 2, 3, 5, 8, 13, and so on. This implementation provides a simple way to generate Fibonacci numbers in Python.
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