字典嵌套

# This program stores people's favorite numbers, and displays them.
favorite_numbers = {'eric': [3, 11, 19, 23, 42],
                    'ever': [2, 4, 5],
                    'willie': [5, 35, 120],
                    }

# Display each person's favorite numbers.
print("Eric's favorite numbers are:")
print(favorite_numbers['eric'])

print("\nEver's favorite numbers are:")
print(favorite_numbers['ever'])

print("\nWillie's favorite numbers are:")
print(favorite_numbers['willie'])