input: from typing import List, Dict
  
  
  def create_store_item_instances(items_data: List[Dict[str, str]]) -> List['StoreItem']:
      """Create instances of StoreItem based on the provided items data.
      The input is a list of dictionaries where each dictionary contains
      keys 'item_id', 'name', 'price', and 'description'. The output is a list of 
      StoreItem instances.
      >>> create_store_item_instances([{'item_id': '1', 'name': 'Book', 'price': '10.99', 'description': 'A good read'}, {'item_id': '2', 'name': 'Pen', 'price': '1.99', 'description': 'Write well'}])
      [StoreItem(item_id='1', name='Book', price='10.99', description='A good read'), StoreItem(item_id='2', name='Pen', price='1.99', description='Write well')]
      """
output:     store_items = []
      for item_data in items_data:
          store_item = StoreItem(
              item_id=item_data['item_id'],
              name=item_data['name'],
              price=item_data['price'],
              description=item_data['description']
          )
          store_items.append(store_item)
      return store_items