%matplotlib inline
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
c = plt.Circle((0.5, 0.5), 0.2, color="r", alpha=0.1)
ax.add_artist(c)
c = plt.Circle((0.6, 0.8), 0.1, color="b", alpha=0.1)
ax.add_artist(c)
ax.set_aspect(1)
ax.text(0.5, 0.5, "I'm a\ncircle!", ha="center", va="center")
<matplotlib.text.Text at 0x10ec55fd0>