Code an easy Fibonacci sequence.
Implement fibonacci(n) to return the first n Fibonacci numbers, starting with 0, 1. Return an empty list when n is zero.
Input: A non-negative integer n.
Output: A list containing exactly n Fibonacci numbers.
Examples:
n = 5 returns [0, 1, 1, 2, 3].n = 1 returns [0].def fibonacci(n):