A brace is a punctuation mark ({}) that is used to group together words or numbers within a sentence or mathematical equation. It is commonly used in programming languages to enclose a block of code or a function. Braces can also be used to indicate a set, such as in mathematics, where {1, 2, 3} would indicate a set containing the numbers 1, 2, and 3. In general, braces are used to enclose items that are related or belong together in some way, as a way of grouping them together visually.
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