New to the programming bus

Well firstly i am a 19yo student whose first year of collage is about to start in 2 to 2.5 months and until then i've got nothing to do with my life except waste my time in meaningless stuff i started learning c# very recently and can write basic printing texts , comments and escape sequences of all types , i know what a compiler is and the difference bw compile time and run time and their respective errors now after learning all this stuff i came across a