clean the functionality of the app #275

Job	Run time
list-examples	3s
check-export (basic_crud)	1m 10s
check-export (clock)	1m 11s
check-export (counter)	1m 6s
check-export (customer_data_app)	1m 3s
check-export (dalle)	1m 15s
check-export (data_visualisation)	1m 10s
check-export (form-designer)	1m 17s
check-export (github-stats)	1m 10s
check-export (gpt)	1m 16s
check-export (lorem-stream)	1m 8s
check-export (nba)	1m 39s
check-export (quiz)	1m 17s
check-export (sales)	1m 9s
check-export (snakegame)	1m 19s
check-export (todo)	1m 1s
check-export (translator)	1m 8s
check-export (traversal)	1m 6s
check-export (twitter)	58s
check-export (upload)	1m 7s
	22m 33s

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