def sfl(L):
    """ (list) -> bool
    Precondition: len(L) >= 2

    Return True if and only if first item of the list is same as last.

    >>> sfl([3, 4, 2, 8, 3])
    True

    >>> sfl([a, b, c])
    False

    """
    return (L[0] == L[-1])