GO Func

package main

import (
    "fmt"
)

func main() {
    foo()
    bar("James")
    s1 := woo("Moneypenny")
    fmt.Println(s1)
}

func foo() {
    fmt.Println("hello from foo")
}

func bar(s string) {
    fmt.Println("Hello,", s)
}

func woo(st string) string {
    return fmt.Sprint("Hello from woo, ", st)
}