add code to setup another list for the city you've picked. (look through the dataset in the data tab to see how it's organized) add code to setup a filtered list for the city you've picked. inside the onevent, add code so that the filtered list is cleared every time the dropdown changes inside the filter function, add code so that prices from your city list are added to the appropriate filtered list. at the bottom of your program, declare a function for the city you chose that calculates the average of the values in the appropriate filtered list and updates the screen. (hint: look at the seattleaverage function as a guide.) inside the onevent, add a call to the function you just declared.