Python Challenge - Level 6

Problem

Pants? And Spiderman's underwear?

There's no text or any useful info in the source comments except for a call out of the donation button, but the big hint is at the very first line of html(and I missed it...):

<html> <!-- <-- zip -->

Ok... the image was about "zip", not "pants" or anything under it...

Replace html with zip: http://www.pythonchallenge.com/pc/def/channel.zip

Unzip it. In readme.txt:

welcome to my zipped list.

hint1: start from 90052
hint2: answer is inside the zip

Solution

>>> import zipfile, re
>>> 
>>> f = zipfile.ZipFile("resources/channel.zip")
>>> num = '90052'
>>> while True:
...     content = f.read(num + ".txt").decode("utf-8")
...     print(content)        
...     match = re.search("Next nothing is (\d+)", content)        
...     if match == None:
...         break
...     num = match.group(1)
... 
Next nothing is 94191
Next nothing is 85503
Next nothing is 70877
...
Next nothing is 68628
Next nothing is 67824
Next nothing is 46145
Collect the comments.

Comments.. what comments?

It turns out that zip file may contain some comments, and they can be accessed by:

Add a few lines to collect the comments:

>>> num = '90052'
>>> comments = []
>>> while True:
...     content = f.read(num + ".txt").decode("utf-8")
...     comments.append(f.getinfo(num + ".txt").comment.decode("utf-8"))
...     content      
...     match = re.search("Next nothing is (\d+)", content)        
...     if match == None:
...         break
...     num = match.group(1)
... 
>>> print("".join(comments))
****************************************************************
****************************************************************
**                                                            **
**   OO    OO    XX      YYYY    GG    GG  EEEEEE NN      NN  **
**   OO    OO  XXXXXX   YYYYYY   GG   GG   EEEEEE  NN    NN   **
**   OO    OO XXX  XXX YYY   YY  GG GG     EE       NN  NN    **
**   OOOOOOOO XX    XX YY        GGG       EEEEE     NNNN     **
**   OOOOOOOO XX    XX YY        GGG       EEEEE      NN      **
**   OO    OO XXX  XXX YYY   YY  GG GG     EE         NN      **
**   OO    OO  XXXXXX   YYYYYY   GG   GG   EEEEEE     NN      **
**   OO    OO    XX      YYYY    GG    GG  EEEEEE     NN      **
**                                                            **
****************************************************************
 **************************************************************

If you try http://www.pythonchallenge.com/pc/def/hockey.html, you will get

it's in the air. look at the letters.

The right answer is in the letters: oxygen

Put Everything Together

import zipfile, re

f = zipfile.ZipFile("channel.zip")
print(f.read("readme.txt").decode("utf-8"))

num = '90052'

comments = []

while True:
    content = f.read(num + ".txt").decode("utf-8")
    comments.append(f.getinfo(num + ".txt").comment.decode("utf-8"))
    print(content)    
    match = re.search("Next nothing is (\d+)", content)    
    if match == None:
        break
    num = match.group(1)

print("".join(comments))

Next Level

http://www.pythonchallenge.com/pc/def/oxygen.html

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