Function
A relationship with one or more variables, where each input has a single output.
In programming and computer science, a function is a block of code that performs a specific task or a set of instructions. It is designed to be reused and executed multiple times within a program, which helps to reduce code redundancy and improve code organization. Functions can be used to solve complex problems, make code more readable and maintainable, and improve code efficiency.
Functions are defined using a keyword followed by a unique name, a set of parentheses, and a code block enclosed in curly braces. The name of the function should be descriptive and indicate its purpose. The code block contains the instructions that the function will execute when called. Functions can also take parameters, which are values passed to the function when it’s called, and return a value, which is the result of the function’s execution.
In summary, a function is a self-contained block of code designed to perform a specific task or set of instructions, which can be reused and called multiple times within a program. It helps to improve code organization, readability, and efficiency.
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