#!/usr/bin/env python
"""
Show how to connect to keypress events
"""
import numpy as n
from pylab import figure,show
def press(event):
print 'press', event.key
if event.key=='x':
visible = xl.get_visible()
xl.set_visible(not visible)
fig.canvas.draw()
fig = figure()
ax = fig.add_subplot(111)
fig.canvas.mpl_connect('key_press_event', press)
ax.plot(n.random.rand(12), n.random.rand(12), 'go')
xl = ax.set_xlabel('easy come, easy go')
show()
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