While the number of different programming languages you can learn can be daunting, the best way of learning how to code is to think of a project that you'd like to build or a problem that you're interested in solving. Would you like to learn how to build websites, create an app or a game, process data efficiently for your company,etc.? The possibilities are endless!
Once you have that, you can start learning the tools that you'll need to tackle it. You can learn more about this here.