python - No plot window in matplotlib -

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I have installed maplotibs in Ubuntu 9.10, using the Synaptic package system. However, when I try the following simple example 

  gt; & Gt; & Gt; From the conspiracy of imported papoos; & Gt; & Gt; & Gt; Plot ([1,2,3], [1,2,3]) [& lt; Matplotlib.lines.Line2D object 0x9aa78ec & gt;]

I do not find any plot window. Any ideas about how to get the plot window to show?

You can type 

  import Pyalab pylab.show ( )

Or use better, ipython -pylab .


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