wargame/pythonchallenge.com
http://www.pythonchallenge.com/pc/def/ocr.html
Sanguine
2014. 6. 3. 04:27
아래쪽의 글을 해석해보면 다음과 같다.
문자를 인식합니다. 어쩌면 그들은 책에
하지만 어쩌면 그들은 페이지 소스에 있습니다.
페이지소스를 보라는것 같다.
소스를 보면
| <html> | |
| <head> | |
| <title>ocr</title> | |
| <link rel="stylesheet" type="text/css" href="../style.css"> | |
| </head> | |
| <body> | |
| <center><img src="ocr.jpg"> | |
| <br><font color="#c03000"> | |
| recognize the characters. maybe they are in the book, <br>but MAYBE they | |
| are in the page source.</center> | |
| <br> | |
| <br> | |
| <br> | |
| <font size="-1" color="gold"> | |
| General tips: | |
| <li>Use the hints. They are helpful, most of the times.</li> | |
| <li>Investigate the data given to you.</li> | |
| <li>Avoid looking for spoilers.</li> | |
| <br> | |
| Forums: <a href="http://www.pythonchallenge.com/forums"/>Python Challenge Forums</a>, | |
| read before you post. | |
| <br> | |
| IRC: irc.freenode.net #pythonchallenge | |
| <br><br> | |
| To see the solutions to the previous level, replace pc with pcc, i.e. go | |
| to: http://www.pythonchallenge.com/pcc/def/ocr.html | |
| </body> | |
| </html> | |
| <!-- | |
| find rare characters in the mess below: | |
| --> | |
| <!-- | |
| %%$@_$^__#)^)&!_+]!*@&^}@[@%]()%+$&[(_@%+%$*^@$^!+]!&_#)_*}{}}!}_]$[%}@[{_@#_^{* | |
| @##&{#&{&)*%(]{{([*}@[@&]+!!*{)!}{%+{))])[!^})+)$]#{*+^((@^@}$[**$&^{$!@#$%)!@(& | |
| +^!{%_$&@^!}$_${)$_#)!({@!)(^}!*^&!$%_&&}&_#&@{)]{+)%*{&*%*&@%$+]!*__(#!*){%&@++ | |
| !_)^$&&%#+)}!@!)&^}**#!_$([$!$}#*^}$+&#[{*{}{((#$]{[$[$$()_#}!@}^@_&%^*!){*^^_$^ | |
.......... | |
| +!@!^*@}!}&{]*#^@}_[)}#@%!_*#!$}!)[(${+^&!{[&&&*[{}+*+(#+_[}{$$)#([*!)%@^%_]#%$$ | |
| (++^+&)}*_&%@#[^^+^&@_%]+$%$#$*)@!(]*+@]}%$$}$(#$&^(%[*([&]*^&}(!#{&_}^(*{(+$#}} | |
| (&_+][&_@)$&$&^[_$(++$^}]&^^*(+*!&#_$]*+@!]+{%^_*+!&}@$!#^{+_#([+@(((*+)[()__}(^ | |
| @)](+[$*_(]*$[[&@^(_*#(*&!^{+]_%)_)^[}@]#]%#@+^+[%{_*{!)}#$@#)_$!_(!*+#}%%}+$&$[ | |
| %&]!{{%*_!*}&)}$**_{*!#%[[#]!](^^$![#[[*}%(_#^^!%))!_^@)@**@}}(%%{#*%@(((]^%^![& | |
| }!)$]&($)@](+(#{$)_%^%_^^#][{*[)%}+[##(##^{$}^]#&(&*{)%)&][&{]&#]}[[^^&[!#}${@_( | |
| #@}&$[[%]_&$+)$!%{(}$^$}* | |
| --> 주석으로 위의 암호문에서 희귀한 문자를 찾아보란다. 그래서 다음과 같이 코딩하였다. import urllib,re def get_problem(): url="http://www.pythonchallenge.com/pc/def/ocr.html" file=urllib.urlopen(url) count=0 flag=False prob="" for line in file.readlines(): if line=="<!--\n": count+=1 if count==2: flag=True if flag: if line=="-->\n": break prob+=line return prob print "".join(re.findall("([a-zA-Z])",get_problem())) |
실행결과
