Practicing pointers in Go based on explanation by Shawn here: https://www.youtube.com/watch?v=hMSYabOnA3M

main.go

package main

import "fmt"

func main() {	
	x := 42
	fmt.Println("Address of x inside main:", &x)
	fmt.Println("Initial value of x inside main before any external functions are called:", x)
	fmt.Println("---------------")

	print(x)
	fmt.Println("After print(x), value of x inside main():", x)
	fmt.Println("---------------")

	printwithpointer(&x)
	fmt.Println("After printwithpointer(x), value of x inside main():", x)
	fmt.Println("---------------")
		
	fmt.Println("Final value of x inside main AFTER print and printwithpointer (which modified the value of x inside main()) functions are called:", x)

}

func print(x int) {
	x += 10
	fmt.Println("Address of x inside print:", &x)
	fmt.Println("value of x inside print:", x)
}

func printwithpointer(x *int) {
	*x += 10
	fmt.Println("Address of x inside printwithpointer:", &x)
	fmt.Println("value of *x inside printwithpointer:", *x)
}