I'm kind of lost on what program to use. Part of it is I'm not even really sure what my goals are. I mean, I want to look good, obviously. But I'm not trying to become a competitive weightlifting either.

Right now I'm 5'4, 150 lbs (yea, I'm short). I'm willing to put the work in to a program but I'm also a busy doctor in training and need a program that's easy to follow, not time-consuming, and will get me "fit", whatever the hell that means. I'd appreciate advice what goals I should be making, how to choose a program, and what programs are recommended.