input: 
  def parse_store_item(item_dict):
      """Converts a dictionary representing a store item into a StoreItem object.
      The dictionary keys must match the attributes of the StoreItem class.
      
      >>> parse_store_item({'item_id': '123', 'name': 'Book', 'price': 10.99, 'description': 'A great read'})
      StoreItem(item_id='123', name='Book', price=10.99, description='A great read')
      >>> parse_store_item({'item_id': '456', 'name': 'Pen', 'price': 1.99, 'description': 'Blue ink'})
      StoreItem(item_id='456', name='Pen', price=1.99, description='Blue ink')
      """
  
output:     return StoreItem(**item_dict)