条形图

import matplotlib.pyplot as plt
import matplotlib

# 设置中文字体
matplotlib.rcParams['axes.unicode_minus'] = False
matplotlib.rcParams['font.sans-serif'] = ['Microsoft YaHei']
matplotlib.rcParams['font.family']='sans-serif'

plt.bar([1,3,5,7,9],[5,2,7,8,2], label="条形图1")
plt.bar([2,4,6,8,10],[8,6,2,5,6], label="条形图2", color='g')

plt.xlabel('数量')
plt.ylabel('高度')
plt.title('编程字典-matplotlib教程')

plt.legend()
plt.show()