In the previous exercise we saw a dictionary that maps strings to numbers (i.e., "oatmeal": 3). However, the keys can be numbers as well. For example, if we were mapping restaurant bill subtotals to the bill total after tip, a dictionary could look like:

subtotal_to_total = {20: 24, 10: 12, 5: 6, 15: 18}

Values can be any type. You can use a string, a number, a list, or even another dictionary as the value associated with a key!

For example:

students_in_classes = {"software design": ["Aaron", "Delila", "Samson"], "cartography": ["Christopher", "Juan", "Marco"], "philosophy": ["Frederica", "Manuel"]}

The list ["Aaron", "Delila", "Samson"], which is the value for the key "software design", represents the students in that class.

You can also mix and match key and value types. For example:

person = {"name": "Shuri", "age": 18, "siblings": ["T'Chaka", "Ramonda"]}