Matplotlib 函数legend 标示不同图形的文本标签图例

plt.legend(loc="lower left")

import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0.05,10,1000)
y = np.sin(x)
plt.figure('deepinout.com 极客笔记')
plt.plot(x,y,ls="-.",lw=2,c="c",label="plot figure")
plt.legend(loc="lower left")
plt.show()