def Histogram(obraz,iloscP):
    unique_elements, counts_elements = np.unique(obraz, return_counts=True)
    uniqueElements = np.arange(256)
    countsElements = np.zeros(256,dtype=int)
    for x,y in zip(unique_elements, counts_elements):
        countsElements[x] = y

    zakres = math.ceil(255 / iloscP)
    X = []
    Y = []
    for x in np.array_split(uniqueE, 15):
        X.append(x[-1])
    for y in np.array_split(countsE, 15):
        Y.append(np.sum(y))

    return X,Y,uniqueElements,countsElements