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collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> IntcollectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell numberOfItemsInSection я возвращаю цифру 2A
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collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> IntA
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