Basic introduction to building and utilizing the python dictionary data type. Dictionaries are also unordered, meaning that you cannot access values through the index (as you might with a list or tuple), but must access them through the key.
If you are to remember one thing from this article, it is to remember that dictionaries store data in “key to value” pairs. This means that for every key in the dictionary there is a corresponding value. This value can be any type of data object (another dictionary, list, tuple, integer, string, boolean, etc.); however, the keys must be unique and an immutable type (string, number, or tuple with immutable elements). I like to think of dictionaries like a key and lock system. You have the one key that can unfasten the lock which can hold any number of things, but that key is very specific. This is the simplest analogy for me since you already are using the word “key” in the python definition. Dictionaries are also unordered, meaning that you cannot access values through the index (as you might with a list or tuple), but must access them through the key.
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