In order to store key-value pairs in Python, you can use the dictionary data structure. The dictionary functions in a similar fashion to the Python list, in that it is a collection of data.

Since you want to be able to simulate dice with different numbers of sides, a good name for the value to use would be ‘sides’. Python uses the statement def to name a function.

The one place they are pretty convenient is in languages (like Python) where multiple return values from one function can be used as multiple input parameters to another. But, the use-cases where ...