How to master your basketball shot????

is it true that if i shoot a basketball 500 times a day i can get back my shot and also master it? i want to know because i have a weird shot but i believe everyone has there way of shooting for example shawn marion..... im 18 years old im about to graduate but i feel that i can master my shot like a pro and maybe go to college to try out as a walk in any advices on wheather it could happen or not?