for loop golang slice 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: golang range arrat

for i, num := range nums {
        if num == 3 {
            fmt.Println("index:", i)
        }
    }