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Most programming languages have many built in or native functions. To find out how the functions work, and what parameters they expect, we need to look at the processing documentation (linkhttps://processing.org/reference/).
Syntax of functions
There are two parts of a function. First there is the the function declaration, where the name of the function along with its properties and behaviors are defined. Next there is the function call, where the function is then actually executed. Functions may be called multiple times.
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