Abstract
A Dictionary is a set of associations between a key and a value that is unordered, changeable (mutable) and indexed. Pictorially we might view a Dictionary as shown below for a set of countries and their capital cities. Note that in a Dictionary the keys must be unique but the values do not need to be unique.
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Hunt, J. (2019). Dictionaries. In: A Beginners Guide to Python 3 Programming. Undergraduate Topics in Computer Science. Springer, Cham. https://doi.org/10.1007/978-3-030-20290-3_33
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DOI: https://doi.org/10.1007/978-3-030-20290-3_33
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