Function
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[edit] Definition
Functions, also known as subroutines, procedures, or methods, are groups of computer code that can be declared once and then reused throughout a program, saving programming time and reducing the size of the binary executable. They are similar to mathematical functions, in that they can receive input, process that input, and produce a calculated result. However, computer subroutines are more sophisticated, with the ability to do anything normal computer code can do.
