Learning game development can be tough. You need to develop skills in multiple technical fields, as well as know how to make a game that's actually fun. This is why teachers often recommend that beginners should start out with cloning classic games for educational purposes. With this approach, you don't have to worry about the game design. You already know how Snake or Tetris or Tic Tac Toe is supposed to work and you can focus on creating assets and programming the gameplay.
This is exactly what Scott Westover does in this video! For maximum benefits, perhaps try to make a Connect Four game yourself and then go see how Scott does it.
Let us know us know how it goes!