pythonchallenge

Solve Problems in http://www.pythonchallenge.com

11

result: http://www.pythonchallenge.com/pc/return/evil.html

from PIL import Image
from PIL import ImageDraw

the hint is in the html'title odd, even

10

result: http://www.pythonchallenge.com/pc/return/5808.html

with pycharm IDE, I can debug the code easier.

the method of find rule of a is:look at a[i - 1], do count
1
the next is one 1: 11
the next is two 1: 21
the next is one 2 one 1: 1211
the next is one 1 one 2 two 2: 111221
the next is three 1 two 2 one 1: 312211

9

result:http://www.pythonchallenge.com/pc/return/bull.html

the html knowledge learn from 8 help me.

8

result: http://www.pythonchallenge.com/pc/return/good.html

un:huge pw:file

html knowledge: img-usemap="#--", map, area, sharp, poly, coords.

import bz2

7

result: http://www.pythonchallenge.com/pc/def/integrity.html

from PIL import Image

use PIL module to find the block's pixel with getpixel(), then use chr() to translate the code

6

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

import zipfile

zip file not only can bi unzip, can contains a lot of comments.

every level will play with a new lib.

5

result: http://www.pythonchallenge.com/pc/def/channel.html

import pickle

every line elements add up to 96

4

result: http://www.pythonchallenge.com/pc/def/peak.html

import requests

this is a http client lib with to do http request.

3

result: http://www.pythonchallenge.com/pc/def/linkedlist.html

transfer to: http://www.pythonchallenge.com/pc/def/linkedlist.php

2

result: http://www.pythonchallenge.com/pc/def/equality.html

1

result: http://www.pythonchallenge.com/pc/def/ocr.html

• ord()
• chr()
• isalpha()
• isalnum()

True: 'a'.isalpha() True: 'a'.isalnum()

False: '.'.isalpha() False: '.'.isalnum()

True: '1'.isalnum() False: '1'.isalpha()

0

pow(2,3)

start: http://www.pythonchallenge.com/pc/def/0.html

result: http://www.pythonchallenge.com/pc/def/map.html