def get_vector_axis_letter(vector):
    """
    Returns the axis letter of the given vector
    :param vector: list(float, float, float)
    :return: str
    """
    if vector == [1, 0, 0]:
        return 'X'
    if vector == [0, 1, 0]:
        return 'Y'
    if vector == [0, 0, 1]:
        return 'Z'
    if vector == [-1, 0, 0]:
        return '-X'
    if vector == [0, -1, 0]:
        return '-Y'
    if vector == [0, 0, -1]:
        return '-Z'
