xxxxxxxxxx
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()
xxxxxxxxxx
ax.legend(loc='upper center', bbox_to_anchor=(0.5, 1.05),
ncol=3, fancybox=True, shadow=True)
xxxxxxxxxx
import matplotlib.pyplot as plt
#define x and ysin
plt.plot(x,ysin,label='sin(x)')
plt.legend()
plt.show()
xxxxxxxxxx
A legend is a predefined function legend() that creates an area on the graph which describes all the elements of a graph