input: Write a python function to scrape the title and price of an item from a given URL using BeautifulSoup and requests.
  assert scrape_item_details('example.com')==('Example Title', '$99.99')
  assert scrape_item_details('another-example.com')==('Another Title', '$49.99')
  assert scrape_item_details('yet-another-example.com')==('Yet Another Title', '$29.99')
output: def scrape_item_details(url):
      import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.content, 'html.parser')
  
      title = soup.find('h1', class_='item-title').text.strip()
      price = soup.find('span', class_='item-price').text.strip()
  
      return title, price