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//¶ÔÏóתmap
const objChangeMap = (obj) => {
   let map = new Map();
   for(let key in obj) {
     map.set(key,obj[key]);
   }
   return map;
}


//mapתΪjson
const mapChangeObj = (map) => {
  let obj = {};
  for(let [k,v] of map) {
   obj[k] = v;
  }
  return obj;
}