for(var _img in img_file){           
    formdata.append("file", img_file[_img]);
}
let files = ctx.request.files;
console.log("filesPP+:");console.log(files);
    for(let index in files){
        console.log(index);//file[]
        file = files[index];
        console.log("file---:")
        console.log(file)
 console.log (index); / / output file [] 
 and files and files [index] are the same thing 
 Why? 
 
 
