What is the proper way to format code?

Question

When I write code, I try to group lines of similar code together, then leave a blank line and write another block.

I believe this contributes to the neatness and readabi

Answer 1

Vertical space is usually at a premium relative to horizontal space, so excessive spacing usually isn't a good idea. I do think it's a good idea to logically separate blocks of code with a single blank line.

Sounds like your teacher is mostly a jerk. As the saying goes, "those who can, do; those who can't are on StackOverflow teach." ;)