function solution(my_string, num1, num2) {
const splitWord = my_string.split("");
const num1Word = splitWord[num1];
const num2Word = splitWord[num2];
splitWord.splice(num1, 1, num2Word);
splitWord.splice(num2, 1, num1Word);
return splitWord.join("");
}
function solution(my_string, num1, num2) {
my_string = my_string.split('');
[my_string[num1], my_string[num2]] = [my_string[num2], my_string[num1]];
return my_string.join('');
}