Chapter01.04::在坐标轴上添加标记信息

import matplotlib.pyplot as plt
import numpy as np

x=np.linspace(0.05,10,1000)
y=np.sin(x)

plt.plot(x,y,ls="-.",lw=2,c='c',label="plot figure")

plt.legend()

plt.xlabel("x-axis")
plt.ylabel("y-axis")

plt.show()