[fastasucan]

That depends on your needs and goals. Super strict type checking might not be the most important feature.

Its like saying "if you want a car that is a bit sporty, wouldn't it be best to buy a Lamborghini??

[dsign]

Yes, but using five type checkers on Python is the equivalent of buying a Nissan Leaf and trying to turn it into a Lamborghini by adding an internal combustion engine which is only supposed to produce a nice roar but no thrust.