for each golang code example

Example 1: golang loop through array

arr := []int{1, 2, 3, 4, 5}
//using range 
for index, ele := range arr { // you can escape index by _ keyword
	fmt.Println(index, ele)
}

Example 2: loop list golang

a := []string{"Foo", "Bar"}
for i, s := range a {
    fmt.Println(i, s)
}

Example 3: foreach golang

package main

import "fmt"

func main() {

	myList := []string{"dog", "cat", "hedgehog"}

	// for {key}, {value} := range {list}
	for _, animal := range myList {
		fmt.Println("My animal is:", animal)
	}
}