Python_matplotlib画图时图例说明(legend)放到图像外侧

https://blog.csdn.net/Poul_henry/article/details/82533569

    import matplotlib.pyplot as plt
    import numpy as np

    x = np.arange(10)
    print x
    fig = plt.figure()
    ax = plt.subplot(111)

    for i in xrange(5):
        #ax.plot(x, i * x, label='y=%dx' %i)
        ax.plot(x, i * x, label='$y = %ix$' % i)

    ax.legend()

    plt.show()