# your code goes #ライブラリの読み込み
import urllib.error
import urllib.request
 
import requests
import bs4
 
import urllib
# 対象のURL
url='http://m...content-available-to-author-only...g.net/13188.html'
 
 
# URLの情報を取得
r = requests.get(url)
soup = bs4.BeautifulSoup(r.content)
 
 
# ページに存在するimgタグを検索
for link in soup.find_all('img'):
    # 画像URLを取得
    img_url = link.get('src')
 
    #print (img_url)
 
    try:
         urllib.request.urlretrieve(img_url,img_url.split('/')[-1])
    except urllib.error.URLError as e:
        print(e)

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