本文实例讲述了Python基于Matplotlib库简单绘制折线图的方法。分享给大家供大家参考，具体如下：
Matplotlib画折线图，有一些离散点，想看看这些点的变动趋势：
import matplotlib.pyplot as plt
x1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
y1=[30,31,31,32,33,35,35,40,47,62,99,186,480]
x2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
y2=[32,32,32,33,34,34,34,34,38
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