Is it correct to say "I did it!"? How do you use it?

Answer 1

Yes, it is correct. I usually use it in a court of law.

Answer 2

Yes and you say it when you win something or complete something.

Answer 3

IF YOU SPEAK SPANISH..-.
es correcto decirlo.claro! lo dices cuando terminas algo..........por ejemplo.....cuando acabas de terminar la tarea

if you don't speak spanish...........what's your idiom?