>>> """
=======================
Annotate Simple Coord01
=======================

"""
... 
... import matplotlib.pyplot as plt
... 
... fig, ax = plt.subplots(figsize=(3, 2))
... an1 = ax.annotate("Test 1", xy=(0.5, 0.5), xycoords="data",
...                   va="center", ha="center",
...                   bbox=dict(boxstyle="round", fc="w"))
... an2 = ax.annotate("Test 2", xy=(1, 0.5), xycoords=an1,
...                   xytext=(30, 0), textcoords="offset points",
...                   va="center", ha="left",
...                   bbox=dict(boxstyle="round", fc="w"),
...                   arrowprops=dict(arrowstyle="->"))
... plt.show()
...