Calling J from Python

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    Gosi> J is in many ways similar to Python.

    Gosi> J has very many advanced operations.

    Gosi> http://www.jsoftware.com/

Doesn't look like open source of any variety.  If a person uses Python with
various add-ons (RPy, numpy, matplotlib, etc) why would they want to switch
to a closed source product?

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