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.

Python list basics. ... Note that this code wouldn’t convert each element of the list into an integer! Rather, it would use the integer value of each item as its sort value.

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.