上QQ阅读APP看书，第一时间看更新
Workout and exercise list views
Now, we need to implement the list views that have so far been empty!
In this section, we will be updating the code from checkpoint 4.3 with checkpoint 4.4. So if you are coding along with us, simply follow the steps laid out in this section. If you want to see the finished code, then just copy the files from checkpoint 4.4 into your solution.