https://it.softpython.org/functions/fun4-lists-sol.html?highlight=rimtut#Esercizio---rimtut https://github.com/DavidLeoni/softpython-en/issues/60
https://it.softpython.org/functions/fun4-lists-sol.html?highlight=rimtut#Esercizio---rimtut
DavidLeoni/softpython-en#60