def list_creator(nbBins):
    """Create the necessary number of lists to compute colors feature extraction.

    # Arguments :
        nbBins: Int. The number of bins wanted for color histogram.

    # Outputs :
        lists: A list of 2*3*`nbBins` empty lists.
    """
    nbLists = 2 * 3 * nbBins
    return [[] for _ in range(nbLists)]
