// Write a function called collectStrings which accepts an object and returns an array of all the values in the object that have a typeof string

function collectStrings(obj) {
    var stringsArr = [];
    for(var key in obj) {
        if(typeof obj[key] === 'string') {
            stringsArr.push(obj[key]);
        }
        else if(typeof obj[key] === 'object') {
            stringsArr = stringsArr.concat(collectStrings(obj[key]));
        }
    }
 
    return stringsArr;
}