I think you're going to be frustrated here by the responses you get to a question that can't easily be answered. Interchangeable lens systems are chosen for their ability to use the right lens in the right situation. The choice in lenses is too long to list in any one post. The broader your possible uses, the broader the lens selection can be.
And, to be sure, it is not the lens which is the most important thing. I assume you have a "kit lens", a zoom lens, on your camera which can cover a decent range of focal lengths. Use it to develop your knowledge of each situation. IMO the best photographers are those who know their equipment extremely well and can make the best use of their equipment in any situation. Some experienced photographers become weary of having numerous lens options and go with a minimalist approach to using just one single lens at one set focal length to stir their thought process. Beginning your learning process with just one lens is a very good way to develop your eye for a shot rather than the ability to simply switch to another piece of gear.
Work hard to make the most of the lens you own rather than spending a lot of money on lenses which you might not use in the future. Don't blame the equipment if your photography sucks. You selected the subject material, you framed the shot and you pushed the shutter release. If it didn't turn out the way you planned, you are likely the reason why. Learn your equipment inside and out before you begin spending for more gear.
