Bill is looking to change careers at 50 and start coding. What should he do to get started? Leo says the language he chooses is important, but he also wants to know where the needs are. Leo says Python, C++, and even Java still have demand. He'll want to start where his niche will be. What is the most needed? Then learn the languages that fit that niche. The good news is, there's a lot of online resources to get started.