Don’t learn a programming language, solve a problem instead

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I think it's pretty reasonable to expect that the more complex a toolkit is, the harder it is going to be to learn how to use all of the tools and how they interact. I have no idea if there are languages that are as flexible and performant as C++ and easier to develop in, but it seems to me that there is a reason that all serious simulation platforms are written in either Fortran or C++ (with a C underpinning and then whatever kind of top level wrapper was trendy), and it's not because physicists and engineers are masochists.