package main

import (
	"fmt"
	"math"
)

func add(x int, y int) int {
	return x + y
}

func add2(x, y int) int {
	return x + y
}

func swap(x, y string) (string, string) {
	return y, x
}

func main() {
	fmt.Println("You know Pi =", math.Pi)
	fmt.Println("And You know 1+2 =", add(1, 2))
	fmt.Println("And You know 1+2 =", add2(1, 2), "Using syntax sugar")
	a, b := swap("hello", "world")
	fmt.Println("And You know swap('hello', 'world') =", a, b)
}