> why does the choice of language to specify my DL model matter that much because model specification is also code that needs to be amenable to change, tuning,

> why does the choice of language to specify my DL model matter that much because model specification is also code that needs to be amenable to change, tuning, refactoring. it needs to be expressive enough to test new ideas quickly without hassle. basically just list all the reasons that drove language design in past half a century.