import matplotlib.pyplot as plt

plt.text(0.8, 0.5, "python", size=50, rotation=30.,
   ha="center", va="center",
   bbox=dict(boxstyle="round",
     ec=(1., 0.5, 0.5),
     fc=(1., 0.8, 0.8),
     )
   )

plt.text(0.75, 0.6, "www.jb51.net", size=50, rotation=-30.,
   ha="right", va="top",
   bbox=dict(boxstyle="square",
     ec=(1., 0.5, 0.5),
     fc=(1., 0.8, 0.8),
     )
   )


plt.draw()
plt.show()