I can't play with the pretty pictures

Your screenshots---WOW! I installed matplotlib 0.80 (from

Thanks!

    > source). Now the screenshots are on my computer. But I
    > can't interact with them. As soon as I enter show() the
    > plot appears in both python and ipython and then the prompt
    > disappears. If I type, for example, xlabel('Year') and
    > ylabel('Number of geeky science fiction desktop
    > backgrounds') nothing happens. (I can use the GUI controls
    > on the plot.)

    > Eventually I enter control-c in ipython and get

Run ipython in pylab mode

> ipython -pylab

You then do not need to import pylab (ipython does this for you) and
you do not, indeed must not, use show.

See

  http://matplotlib.sourceforge.net/interactive.html

and

  http://matplotlib.sourceforge.net/faq.html#SHOW

Have fun...

JDH