python中figure()函数画两张图

import matplotlib.pyplot as plt

x=[1,2,3]

y1=[1,2,4]

y2=[1,4,8]

plt.figure()

plt.plot(x,y1,color = "red",label = "red")

plt.legend()  #无此语句会不显示右下角label

plt.figure()

plt.plot(x,y2,color = "green",label = "green")

plt.legend()  #无此语句会不显示右上角label

plt.show()