I can play Crazy Train (Including Solo), Sweet Child O Mine solo, and Hysteria. I like metal, classic rock, and alternative.
pick a song you like and learn it. if it happens to be really hard learn it anyway because it will make you a better guitarist. you don't get better by playing songs like sweet child o'mine and crazy train all day. learn a song like bark at the moon. it has some pretty awesome riffs and a crazy solo.
Try out some of Megadeth work's, start off with Rust In Peace, and work away at their stuff. Good songs like Hangar 18 (solo heavy, great for learning some phrases and styles), Tornado of Souls and Lucretia are good to learn.

If you're finding it a bit hard, they have decent rhythm ideas which sound great and are challenging.
Pink Floyd
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