In programming, a function is a set of instructions that perform a specific task. It is a block of code that can be easily reused, making programming more efficient and modular.

Learn what a pure function is, why it is important for functional programming, and how to write and use pure functions in different languages.

Python, JavaScript & C++ examples - Void function, Functions in Programming that require or return a Value discussed in brief for beginners.

M4N asks: Is there a reason why functions in most (?) programming languages are designed to support any number of input parameters but only one return value? In most languages, it is possible to ...

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