does lack of type declarations make Python unsafe?

[Irmen de Jong]

Tim Rowe wrote:
> That's one of the reasons I would not advocate Python for mission
> critical systems.  But then, neither would I advocate C++ or FORTRAN,
> for a whole host of reasons.  The mission critical systems I work with
> have the possibility of killing a few hundred people whenever they go
> wrong, and the whole system development process, including choice of
> language for software elements is quite specialised.

offtopic: what language *do* you use for those?


--Irmen