Nice one on the guitar learning man. I have two guitars myself, one acoustic and one electric. I am totally self thought but also totally amateurish, though I do love taking it out every now and then to play a few auld tunes. I must do it again actually, as it has been a while, life is just too damn busy, loads to do, never enough time!

Good luck learning those three songs, they are a good trajectory in terms of difficulty and I reckon you will nail it and being able to play guitar at parties and stuff is always going to go down well with everyone.