Here's a great mini-book that explains how NumPy can improve efficiency, at an appropriate level of detail for what you're asking: http://www.labri.fr/perso/nro

Here's a great mini-book that explains how NumPy can improve efficiency, at an appropriate level of detail for what you're asking: http://www.labri.fr/perso/nrougier/from-python-to-numpy/ http://www.labri.fr/perso/nrougier/from-python-to-numpy/