function.md

function

A function relates an input to an output. A function uses given inputs with some logic and produces desired output.

Use case: Sum of 2 Numbers

Function which accepts two numbers as arguments and return the sum.

Function(A, B)
START
     RETURN (A+B)
END

JavaScript

function sum(a,b)
{
   return (a+b);
}

//or

const sum = (a,b) => a+b;

//calling
sum(1,2);

C#

class Calculator 
{
    public int Sum(int a, int b)
    {
	return (a+b);
    }
}

//use it
var calc = new Calculator();
calc.sum(1,2);

Python

def sum(a,b):
    return a+b
sum(1,2)