input :
example movieTitles = "spiderman"
getMovies(movieTitles).then(result=>{console.log("list of "+movieTitles+" movies")console.log(result);console.log("total movies : "+result.length);});output :
list of spiderman movies[ 'Fighting, Flying and Driving: The Stunts of Spiderman 3','Italian Spiderman', 'Spiderman', 'Spiderman 5', 'Spiderman in Cannes', 'Superman, Spiderman or Batman'] total movies : 6