def fib_recursive(n):
    """
    Write a recursive function to compute the n-th Fibonacci
    number, beginning with n=0 (1) and n=1 (1).
    >>> fib_recursive(2)
    2
    >>> fib_recursive(5)
    8
    """
    pass

def fib_iterative(n):
    """
    Write an iterative function to compute the n-th Fibonacci
    number, beginning with n=0 (1) and n=1 (1).
    >>> fib_iterative(2)
    2
    >>> fib_iterative(5)
    8
    """
    pass
