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()