Python Eval

Prompt

Complete the following Python function: ```python def fibfib(n: int): """The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows: fibfib(0) == 0 fibfib(1) == 0 fibfib(2) == 1 fibfib(n) == fibfib(n-1) + fibfib(n-2) + fibfib(n-3). Please write a function to efficiently compute the n-th element of the fibfib number sequence. >>> fibfib(1) 0 >>> fibfib(5) 4 >>> fibfib(8) 24 """ ```