input: 
  def online_store_item(item_id: int, name: str, price: float, description: str) -> str:
      """Generate a string representation of an online store item.
      >>> online_store_item(123, 'Laptop', 899.99, 'Powerful laptop for work and gaming.')
      'Laptop, $899.99'
      >>> online_store_item(456, 'Smartphone', 499.99, 'Latest model with 5G capability.')
      'Smartphone, $499.99'
      """
      return f'{name}, ${price}'
  
output:     return f'{name}, ${price}'