if, else if and else in Go

package main

import "fmt"

/*
  (if - if) condition is true {
    the code inside the if is executed
  }
  (else if - otherwise if) condition is true (else if only occurs if if condition is false) {
    code inside else if is executed
  }
  (else - if not) no condition (only occurs if condition of if and else if are false) {
    the code inside the else is executed
  }
*/

func main() {
	x := 30

	if x == 10 {
		fmt.Println("The value of x is equal to 10.")
	} else if x == 20 {
		fmt.Println("The value of x is equal to 20.")
	} else {
		fmt.Println("The value of x is different from 10 and 20.")
	}
}

// The value of x is different from 10 and 20.