>>> """
=======================
Annotate Simple Coord03
=======================

"""
... 
... import matplotlib.pyplot as plt
... from matplotlib.text import OffsetFrom
... 
... 
... 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"))
... 
... offset_from = OffsetFrom(an1, (0.5, 0))
... an2 = ax.annotate("Test 2", xy=(0.1, 0.1), xycoords="data",
...                   xytext=(0, -10), textcoords=offset_from,
...                   # xytext is offset points from "xy=(0.5, 0), xycoords=an1"
...                   va="top", ha="center",
...                   bbox=dict(boxstyle="round", fc="w"),
...                   arrowprops=dict(arrowstyle="->"))
... plt.show()
...