Advent of Code (https://adventofcode.com/ https://adventofcode.com/) It's not a programming course per-se, but it's a great resource to master the skill of cod

Advent of Code (https://adventofcode.com/ https://adventofcode.com/) It's not a programming course per-se, but it's a great resource to master the skill of coding and problem solving. It's just one part though, it won't teach you anything about architecturing a bigger system.