import numpy as np
import matplotlib.pyplot as plt
# 月份和每月营业额
month = list(range(1,13))
money = [5.2, 2.7, 5.8, 5.7, 7.3, 9.2,
18.7, 15.6, 20.5, 18.0, 7.8, 6.9]
# 绘制折线图,设置颜色和线型
plt.plot(month, money, 'r-.')
# 绘制散点图,设置颜色、符号和大小
plt.scatter(month, money, c=np.random.random((len(month),3)),
marker='*',
s=128)
plt.xlabel('月份', fontproperties='simhei', fontsize=14)
plt.ylabel('营业额(万元)', fontproperties='simhei', fontsize=14)
plt.title('烧烤店2023年营业额变化趋势图',
fontproperties='simhei', fontsize=18)
# 紧缩四周空白,扩大绘图面积
plt.tight_layout()
plt.show()