What does the f(format) do in print function?

Question

exp: print(f"hello guys")

Answer 1

In your example nothing.

https://www.sololearn.com/Discuss/1830658/?ref=app

Answer 2

As I know they implemented this because is simple, readable, versatile and fast at the same time.

Answer 3

Thanks for that but
why dont we just use a comma or a plus ?
print("hello",name)