Changing item on each repeater

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In the last forum I talked about the change of the rating on each repeater

I want to know if this code right or wrong

import wixData from 'wix-data';
import wixWindow from 'wix-window';

let profesores;

$w.onReady(async function () {
    $w("#repeater1").forEachItem(($item, itemData, Index) => {
        profesores = $w('#dynamicDataset').getCurrentItem();
        initReviews();
    });
 async function initReviews() {
 await $w('#Reviews').setFilter(wixData.filter().eq('profesoresId', profesores._id));
        loadStatistics();
    }
 async function loadStatistics() {

 const stats = await wixData.get('review-stats', profesores._id);

 if (stats) {

 let avgRating = (Math.round(stats.rating * 10 / stats.count) / 10);

 let percentRecommended = Math.round(stats.recommended / stats.count * 100);

 let ratings = $item('#generalRatings');

            ratings.rating = avgRating;

            ratings.numRatings = stats.count;
            $item('#generalRatings').show();        }
    }
    $item('#generalRatings').show();
})

The only the problem is when I write this code I found an error that $item is not defined.

Thank you for your respond in the last forums
Eyad