python绘制已知点的坐标的直线实例

import matplotlib.pyplot as pltimport numpy as np     x = [11422,11360,11312,11274,11233,11196,11160,11129,11098,11038,   10984,10944,10903,10863,10828,10789,10752,10715,10675,10639,   10654,10619,10587,10550,10510,10466,10425,10389,10350,10311,   10272,10237,10196,10161]   y = [123,120,115,110,105,100,95,90,85,80,  75,70,65,60,55,50,45,40,35,30,  25,20,15,10,5,0,-5,-10,-15,-20,  -25,-30,-35,-39.6]plt.plot(x, y, 'r-o')# plt.plot(x, y)plt.show()