I've been playing piano for 7 months now am i good ?

Many people can sit down at a piano and bang out the proper notes, some even with the proper tempo, dynamics, phrasing, and so on. However, it's when you can play every note of a piece perfectly that the real work begins. That's what separates musicians from people who are able to play. Just ask any of my students who thought they had "mastered" a piece what they think a year later.