一.单条 import numpy as np import matplotlib.pyplot as plt N = 5 y1 = [20, 10, 30, 25, 15] y2 = [15, 14, 34 ,10,5] index = np.arange(5) bar_width = 0.3 plt.bar(index , y1, width=0.3 , color='y') plt.bar(index , y2, width=0.3 , color='b' ,bottom=y1) plt.…