input: Write a python function to scrape product prices from a given URL using BeautifulSoup and requests libraries.
  assert scrape_prices("https://example.com/product-list") == ["$10.99", "$12.49", "$8.99"]
  assert scrape_prices("https://example.com/another-list") == ["$15.00", "$25.50", "$35.00"]
  assert scrape_prices("https://example.com/empty-list") == []
output: def scrape_prices(url):
      import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.content, 'html.parser')
      
      prices = []
      for price_tag in soup.find_all(class_="price"):
          prices.append(price_tag.get_text().strip())
          
      return prices