input: from typing import List
  
  def scrape_webpage(url: str) -> List[str]:
      """ Starting from a given website URL, the function should follow all available 
      links on the page, visit them, and collect the combined text content from all the 
      visited pages. Return this content as a list of strings where each string is a 
      paragraph of text scraped from the web pages.
      >>> scrape_webpage('http://example.com')
      ['This is a paragraph from the example website.', 'This is another paragraph from a linked page.']
      """
output:     import requests
      from bs4 import BeautifulSoup
      from urllib.parse import urljoin
  
      visited_urls = set()
      text_content = []
      queue = [url]
  
      while queue:
          current_url = queue.pop(0)
          if current_url in visited_urls:
              continue
          visited_urls.add(current_url)
  
          try:
              response = requests.get(current_url)
              response.raise_for_status()
          except requests.RequestException:
              continue
  
          soup = BeautifulSoup(response.text, 'html.parser')
          paragraphs = soup.find_all('p')
          for p in paragraphs:
              text_content.append(p.get_text().strip())
  
          for link in soup.find_all('a', href=True):
              absolute_url = urljoin(current_url, link['href'])
              if absolute_url not in visited_urls:
                  queue.append(absolute_url)
  
      return text_content