python——绘制成组柱状图

import matplotlib.pyplot as plt

list_00 = [0.16, 0.33, 0.20, 0.31]
list_01 = [0.05, 0.33, 0.39, 0.29]
list_02 = [0.07, 0.5, 0.26, 0.38]
list_03 = [0.04, 0.13, 0.19, 0.15]
name_list = ['A', 'B', 'C', 'D']
x = list(range(len(name_list)))
total_width, n = 0.8, 4
width = total_width / n
plt.bar(x, list_00, width=width, label='a', tick_label=name_list, fc='y')
for i in range(len(x)):
	x[i] = x[i] + width
plt.bar(x, list_01, width=width, label='b', fc='r')
for i in range(len(x)):
	x[i] = x[i] + width
plt.bar(x, list_02, width=width, label='c', fc='b')
for i in range(len(x)):
	x[i] = x[i] + width
plt.bar(x, list_03, width=width, label='d', fc='g')
plt.legend()
plt.show()