package main

import (
	"fmt"
	"runtime"
	"strings"
)

func hello_world(s string) {
	pc, _, _, _ := runtime.Caller(0) 
	fn := runtime.FuncForPC(pc)
	funcName := strings.Split(fn.Name(), ".")[1]

	words := strings.Split(funcName, "_")
	for i := range words {
		words[i] = strings.Title(words[i])
	}

	message := strings.Join(words, ", ") + "!!"
	funcs := map[string]func(...interface{})(int, error) {
		"println": fmt.Println,
		"print": fmt.Print,
	}
	MrBeast := funcs[strings.ToLower(s)+"ln"]
	MrBeast(message)
}

func main() {
	hello_world("print")
}