input: from typing import Dict
  
  
  def online_store_item_info(item: Dict[str, str]) -> str:
      """ Given a dictionary representing a store item containing keys 'id', 'name', 'price', 
      and 'description', convert the store item to a string format that lists the item's price 
      followed by its name.
      >>> online_store_item_info({'id': '123', 'name': 'Laptop', 'price': '999.99', 'description': 'High performance laptop'})
      'Laptop, $999.99'
      >>> online_store_item_info({'id': '456', 'name': 'Mouse', 'price': '19.99', 'description': 'Wireless mouse'})
      'Mouse, $19.99'
      """
output:     return f"{item['name']}, ${item['price']}"