function plantDiscovery(input){
    let countPlants=Number(input.shift());
    let obj={};
    let plants=input.splice(0,countPlants);

    for (let plant of plants){
        let [name,rarity]=plant.split("<->");
        rarity=Number(rarity);

        if(!obj.hasOwnProperty(name)){
            obj[name]= {
                rarity,
                rating:[]

            }
        }
    }
   let commands=input.splice(0,input.indexOf("Exhibition"));
   for(let line of commands){
       let [command,lineOth]=line.split(": ");
       let [plantName,value]=lineOth.split(" - ");
       value=Number(value);
       let avg=0;


       switch(command){
           case "Rate":
               if(!obj.hasOwnProperty(plantName)){
                   console.log(`error`);

               }else {
                   obj[plantName].rating.push(value);
                   let avgArr=Array.from(obj[plantName].rating);
                   avgArr.forEach(elem=>{
                       avg+=elem/avgArr.length;
                   })






               }


               break;
           case "Update":
               if(!obj.hasOwnProperty(plantName)){
                   console.log(`error`);
               }else {
                  obj[plantName].rarity=value;


               }
               break;
           case "Reset":
               if(!obj.hasOwnProperty(plantName)){
                   console.log(`error`);
               }else {
                   delete obj[plantName].rating;
               }
               break;

       }
   }

   console.log(obj)

}