250 440 Person Editor True Person True 0.0 False False True False False 1 2 5 center Name: True 1.0 fill Address: True 1.0 2 1 fill Phone: True 1.0 3 2 fill str True name 1 2 str True address 0 2 1 2 1 str phone True 3 1 2 2 False False 2 True False False 3 A simple persistence demonstration: change the data in the entries, and quit the application. Run it again, and the data is magically reloaded. True 5 5 4