[0:00] [0: 00] I'll be using VS Code as my IDE for this tutorial. Since it already has TypeScript built-in, I don't need to do anything. Once you have yours setup, go ahead and create a new file called hello.ts and add the following code.
[0:13] [0: 13] If your IDE has been set up for TypeScript development, you should see a red squiggly or some indicator that lets you know hey, there's something wrong because this function expects one argument.

[0:23] [0: 23] If that's working, then you're good to go, and you're ready to start this tutorial.