function insertDashes(arr) {
    // write code here
    let a = arr.split(" ");
    //console.log(a)
    for(let i=0; i<a.length; i++) {
        if(a[i] !== " ") {
            a[i] = a[i].split("")
            a[i] = a[i].join("-")
            //console.log(a)
        }
        
    }
    let b = a.join(" ")
    //console.log(b)
    return b    
}



/**
* 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");
    });
});