function insertDashes(arr) {
    // write code here
    arr = arr.split(" ")
    const result = []
    for (words of arr){
        result.push(words.split("").join("-"))
    }
    return result.join(" ")
    
}



/**
* Test Suite 
*/
describe('insertDashes()', () => {
    it('insert dashes in between chars', () => {
        // arrange
        const value = "aba caba";
        
        // act
        const result = insertDashes(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe("a-b-a c-a-b-a");
    });
});