I don't really understand this topic can you help me out?

Question

Return from function

Answer 1

it means input output

https://code.sololearn.com/cJUDBFzLM3Kx/?ref=app

take this as example

return is what the function output.

Answer 2

Check out this example
https://code.sololearn.com/cJUDBFzLM3Kx/?ref=app