It's a bit like "Desert Island Disks": if you are washed up on an island, and by some odd chance you have precisely 10 recordings, and ... A silly game. As you

It's a bit like "Desert Island Disks": if you are washed up on an island, and by some odd chance you have precisely 10 recordings, and ... A silly game. As you say, the monolingual programmer is unlikely to be proficient. How many professional musicians are competent on exactly one instrument? (Admittedly, they may be professional-grade on one only.) (Though a one-legged stool, otherwise "a shooting stick", has its uses.)