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for the author to explain the value and likely the reader shall look for an explanation.
* Coalesces information. The declarations of "magic number" variables can be placed together, usually at the top of a function or file, facilitating their review and change.
* Detects typos. Using a variable (instead of a literal) takes advantage of a compiler's checking. Accidentally typing "62" instead of "52" would go undetected, whereas typing "dekSize" instead of "deckSize"

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