matplotlib add legend description code example

Example 1: matplotlib add legend axis x

fig = plt.figure(figsize=(10,5))
ax = fig.add_subplot(111)
ax.set_title('ADR vs Rating (CS:GO)')
ax.scatter(x=data[:,0],y=data[:,1],label='Data')
plt.plot(data[:,0], m*data[:,0] + b,color='red',label='Our Fitting 
Line')
ax.set_xlabel('ADR')
ax.set_ylabel('Rating')
ax.legend(loc='best')
plt.show()

Example 2: matplotlib pyplot legend location

figlegend( (line1, line2, line3),
           ('label1', 'label2', 'label3'),
           'upper right' )