我已經(jīng)計算了區(qū)間邊界import numpy as npboundaries = np.array([-1.0, -0.5, 0.0, 0.5, 1.0])和歸一化頻率normalized_frequencies = np.array([0.10, 0.40, 0.40, 0.10])我的問題：如何繪制直方圖，條形邊界boundaries為 ，y 值為normalized_frequencies？