PythonChallenge —— 4（关卡）

此关卡因为只给了一个一张图片，没有任何提示信息，还是很难解的，不过结合之前几道图片的解题经验，我们发现很多可以从源代码中进行寻找信息，所以这次打开源代码，我们可以发现：

我们发现图片是一个可以点击开的一个链接，所以我们进行点击发现是有数字进行组成的跳转页面：

http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=12345

http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44827

......

其实慢慢就发现是这样的一个规律，这里解题的关键就在这里：

from urllib import request
from urllib import parse
from urllib.request import urlopenurl = "http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing="
nothing = "12345"for i in range(400):print(" %s%s " % (url, nothing))sentence = request.urlopen("%s%s" % (url, nothing)).read().decode('utf-8')sentence = sentence.split(' ')nothing = sentence[len(sentence)-1]

代码的结果是：

 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=12345 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44827 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=45439 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94485 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72198 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=80992 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=8880 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=40961 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=58765 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=46561 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=13418 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=41954 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=46782 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92730 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=89229 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25646 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=74288 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25945 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=39876 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=8498 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=34684 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=62316 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71331 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=59717 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=76893 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44091 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=73241 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=19242 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=17476 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=39566 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=81293 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25857 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=74343 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=39410 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=5505 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=27104 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54003 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=23501 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=21110 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88399 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=49740 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=31552 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=39998 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=19755 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=64624 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=37817 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43427 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=15115 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44327 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=7715 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=15248 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=61895 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54759 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54270 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=51332 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=63481 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=12362 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94476 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=87810 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=6027 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47551 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=79498 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=81226 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4256 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=62734 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25666 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=14781 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=21412 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55205 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=65516 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=53535 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4437 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43442 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=91308 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=1312 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36268 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=34289 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=46384 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=18097 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=9401 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54249 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=29247 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=13115 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=23053 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=3875 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16044 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=going. http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72758 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71301 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55577 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88786 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32293 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=87798 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=24838 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=66137 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88016 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36876 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33179 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90231 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=17825 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84361 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=99222 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=87348 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47100 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90650 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84369 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36116 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=96544 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=62892 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43790 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67652 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32839 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=5353 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=63153 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48029 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84141 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=14662 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=78566 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=18131 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=710 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67500 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=34992 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=64568 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=8155 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30579 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11629 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32490 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47936 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=51350 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=51877 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=38270 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=41643 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=23416 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54432 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4448 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30086 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=93346 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=53491 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=31248 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=37446 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11309 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=13878 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=31404 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=27786 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16030 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4689 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16553 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=98150 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=19224 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71919 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=53068 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71407 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54264 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33407 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11086 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72527 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92923 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=93389 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94438 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88796 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90785 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=73079 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75559 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=53223 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75979 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55749 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=52948 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71569 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=10240 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=3064 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=29818 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88835 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=38200 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32515 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43551 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=1398 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=23580 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=31619 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=83052 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=37409 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=85052 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=13510 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43240 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=5868 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=19337 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=21122 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92118 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44659 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=60291 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=29895 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=98452 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=42243 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25755 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=28879 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=37149 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=17033 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=543 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=82304 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=80616 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36217 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16201 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33304 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=20091 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=93295 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75485 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=1765 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=76626 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92820 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=52222 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=2892 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=65776 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=817 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=2025 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94455 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47579 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=56908 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=39768 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=76810 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36875 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=97644 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84602 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=86446 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71359 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33883 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=70553 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=98832 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=60599 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=17342 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=74423 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=41609 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54377 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33490 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=35815 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=59166 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11441 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94796 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=68509 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=45872 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=81664 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94537 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36571 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=52815 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54533 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=74595 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55654 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48550 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=56044 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=25536 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30479 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=77512 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=94866 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=26746 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44833 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=96169 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=73807 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=65481 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=28520 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71069 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=40951 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72828 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=80158 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=22504 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=69881 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=15695 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=49718 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=64436 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=27671 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44306 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=59668 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=52257 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=7219 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36882 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48246 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=10907 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=57291 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=15565 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=40253 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=57887 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75107 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4757 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=3219 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84631 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75550 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30793 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30982 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=4391 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=86607 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=41433 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=97107 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=89858 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=186 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=37842 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=2777 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=44508 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48314 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48355 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67280 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http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=60592 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16613 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48784 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=91727 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=81823 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92306 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=82052 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=99401 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=2228 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=69304 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36845 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72224 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84132 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=92376 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=40503 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67329 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=56881 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72156 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=46463 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=62058 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=54696 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=65731 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=38290 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=57913 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=6309 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=73902 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=19934 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=16055 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=50563 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47825 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=73265 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90961 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=29740 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43628 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11088 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=93781 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55840 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=80842 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=59022 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=23298 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=27709 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=96791 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=75635 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=52899 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=66831 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=peak.html http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=72758 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=71301 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=55577 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88786 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32293 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=87798 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=24838 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=66137 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=88016 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36876 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=33179 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90231 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=17825 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84361 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=99222 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=87348 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47100 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=90650 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84369 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=36116 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=96544 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=62892 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=43790 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67652 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32839 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=5353 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=63153 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=48029 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=84141 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=14662 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=78566 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=18131 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=710 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=67500 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=34992 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=64568 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=8155 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=30579 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=11629 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=32490 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=47936 http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=51350

我们发现其中比较特别的地方是：

http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=66831 （1）
http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=peak.html （2）

list的最后一个元素居然不是数字，所以我们从这两个链接的第一个链接去看看：

进入（1）后发现页面内容是：peak.html

所以直接进入http://www.pythonchallenge.com/pc/def/peak.html闯关成功！

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