That's an excellent question! When wrapping lights around a Christmas tree, it's important to make sure that you have enough lights to cover the entire tree. You can start by wrapping the lights around the trunk of the tree, and then working your way up the branches in a spiral pattern. Make sure to overlap the lights slightly so that the tree looks evenly lit. When you reach the top of the tree, make sure to tuck the excess wire into the branches so that it's not visible. You can also add ornaments and other decorations to complete the look!