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Xref: csiph.com comp.lang.python:95457

Ping Liu <yanzhipingliu@gmail.com> writes:

> If I move from Python to Jython or IronPython, do I need to retool whatever I have done? If so, that may take quite a long time. This may make the reimplementation impossible. 

As Chris already pointed out, you are still using Python -- i.e. the
base language does not change.

However, extension packages, such as "NumPy", might not be supported.
If you are using extension packages, carefully check whether they
are supported for a different Python implementation before you decide
a switch.