Level 2: (Chose one group) How does your function work? What list does it use? How is it traversed using a for loop? How does the app work? Level 3 : What looks new? Open the data tab. What does it do? How does it work? What information is available? What can you change? What can't you change? Level 4: What are the names of the five lists in this program? On what lines of code are the lists created? On what lines of code are the lists filled? How are these lists filled? Open up the data tab and click to view the dogs table. What columns does this app use? Look at the filter function. On what lines are the filtered lists reset to blank lists? What condition is being checked to determine if an element belongs in a filtered list?