Catalogue

function Catalogue(input){

    let ArrInput={};
    for (const productdata of input) {

      let [product,price]=productdata.split(':');
      ArrInput[product.trim()]=price.trim();

       //let price1=Number(Arrin[1].trim());
       //let pr= Arrin[0].trim();
       // ArrInput[pr]=price1;

    }

    let result= Object.entries(ArrInput);
    result.sort((a,b) => a[0].localeCompare(b[0]));
    let Oldletter='';
    for (const [p,price] of result) {
        if(Oldletter !='' && p[0] !=Oldletter){
            console.log(p[0]);
            Oldletter=p[0];
        }
        else if(Oldletter==''){
        console.log(p[0].trim());
        Oldletter=p[0];
        }
        console.log(`  ${p}: ${price}`);
    }

}