>>> pattern='and the next nothing is \d+'
>>> value=12345
>>> while True:
url=Request('http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=%s'%value)
response=urllib2.urlopen(url)
page=response.read()
match=re.search(pattern,page)
if not match:
break;
else:
print page
v=re.search('[0-9]+',match.group())
value=v.group()
after getting the value 16044
then run the above code again with the initial value=8022:
Answer: peak.html
>>> value=12345
>>> while True:
url=Request('http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=%s'%value)
response=urllib2.urlopen(url)
page=response.read()
match=re.search(pattern,page)
if not match:
break;
else:
print page
v=re.search('[0-9]+',match.group())
value=v.group()
after getting the value 16044
then run the above code again with the initial value=8022:
Answer: peak.html
本文深入探讨了一段独特的代码逻辑,通过解析特定网页URL中的参数,逐步揭示隐藏在数字序列背后的秘密。从数值16044出发,读者将跟随作者的脚步,运用正则表达式和循环迭代技巧,解锁最终页面——'peak.html'。此过程不仅展示了网页爬虫的基本原理,还激发了对网页结构和编码方式的好奇心。
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