下面是我的代码,我要做的就是更新图表上的点。我不想绘制两条线,我只想要一条线。请帮忙
import matplotlib.pyplot as plt
x = [1,2,3,4]
y = [1,4,9,16]
plt.ion()
plt.plot(x,y)
var = raw_input("type enter to change")
#update data some where here?
plt.plot(y,x)
plt.draw()
var = raw_input("type enter to end")