5DICTIONARIES AND STRUCTURING DATA
In this chapter, I will cover the dictionary data type, which provides a flexible way to access and organize data. Then, combining dictionaries with your knowledge of lists from the previous chapter, you’ll learn how to create a data structure to model a tic-tac-toe board.
The Dictionary Data Type
Like a list, a dictionary is a mutable collection of many values. But unlike indexes for lists, indexes for dictionaries can use many different data types, not just integers. Indexes for dictionaries are called keys, and a key with its associated value is called a key-value pair.
In code, a dictionary is typed with ...
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