pythonchallenge答案

测试关

2<<37

第１关

import string

str="g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj."

transfun=string.maketrans('abcdefghijklmnopqrstuvwxyz','cdefghijklmnopqrstuvwxyzab')
print str.translate(transfun)
print 'map'.translate(transfun)

第2关

import re

f=open('2.tmp','r')
str=f.read()
res=re.findall(r"[a-zA-Z]", str)
print ''.join(res)

import string
print ''.join([i for i in open('2.tmp').read() if i in string.ascii_letters])

第3关

import urllib2,re


f=urllib2.urlopen('http://www.pythonchallenge.com/pc/def/equality.html')
str= f.read()

#res=re.findall(r"(?<=[^A-Z][A-Z]{3})[a-z](?=[A-Z]{3}[^A-Z])", str)
res=re.findall(r"[^A-Z][A-Z]{3}([a-z])[A-Z]{3}[^A-Z]", str)
print ''.join(res).lower()

第4关

import re,urllib

value=33110

pattern=r"(?<=and the next nothing is )\d+"

#findNothing = re.compile(r'(?<=and the next nothing is )\d+').search  

while True:
    response=urllib.urlopen("http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=%s"%value)
    
    page=response.read()
    matche=re.search(pattern, page)
    #matche=findNothing(page)
    if not matche:
        break;
    else:
        print page
        value=matche.group(0)

print int(value)/2

第5关

import pickle

object = pickle.load(open("banner.p"))

for item in object:
    print "".join(map(lambda p: p[0]*p[1], item))

第6关

import zipfile,re

z=zipfile.ZipFile('channel.zip','r')

value=90052

findNothing = re.compile(r'(?<=Next nothing is )\d+').search

comments=[]

while True:
    content=z.read('%s.txt'%value)
    comments.append(z.getinfo('%s.txt'%value).comment)
    match=findNothing(content)
#    match=apply(findNothing,(content,))
    if match:
        value=match.group(0)
    else:
        break
    print content

print z.read('%s.txt'%value)

print ''.join(comments)

第7关

import Image

im = Image.open("oxygen.png")
print im.format, im.mode, im.size

w,h=im.size

print im.getpixel((0,h//2))

print ''.join([chr(im.getpixel((i,h//2))[0]) for i in range(0,w,7)])

print ''.join(map(chr,[105, 110, 116, 101, 103, 114, 105, 116, 121]))

第8关

import bz2

print "username:%s"%bz2.decompress("BZh91AY&SYA\xaf\x82\r\x00\x00\x01\x01\x80\x02\xc0\x02\x00 \x00!\x9ah3M\x07<]\xc9\x14\xe1BA\x06\xbe\x084")
print "password:%s"%bz2.decompress("BZh91AY&SY\x94$|\x0e\x00\x00\x00\x81\x00\x03$ \x00!\x9ah3M\x13<]\xc9\x14\xe1BBP\x91\xf08")

a="BZh91AY&SY\x94$|\x0e\x00\x00\x00\x81\x00\x03$ \x00!\x9ah3M\x13<]\xc9\x14\xe1BBP\x91\xf08"
print a.decode('bz2')

第9关

import Image
from functools import partial

first=[146,399,163,403,170,393,169,391,166,386,170,381,170,371,170,355,169,346,167,335,170,329,170,320,170,
310,171,301,173,290,178,289,182,287,188,286,190,286,192,291,194,296,195,305,194,307,191,312,190,316,
190,321,192,331,193,338,196,341,197,346,199,352,198,360,197,366,197,373,196,380,197,383,196,387,192,
389,191,392,190,396,189,400,194,401,201,402,208,403,213,402,216,401,219,397,219,393,216,390,215,385,
215,379,213,373,213,365,212,360,210,353,210,347,212,338,213,329,214,319,215,311,215,306,216,296,218,
290,221,283,225,282,233,284,238,287,243,290,250,291,255,294,261,293,265,291,271,291,273,289,278,287,
279,285,281,280,284,278,284,276,287,277,289,283,291,286,294,291,296,295,299,300,301,304,304,320,305,
327,306,332,307,341,306,349,303,354,301,364,301,371,297,375,292,384,291,386,302,393,324,391,333,387,
328,375,329,367,329,353,330,341,331,328,336,319,338,310,341,304,341,285,341,278,343,269,344,262,346,
259,346,251,349,259,349,264,349,273,349,280,349,288,349,295,349,298,354,293,356,286,354,279,352,268,
352,257,351,249,350,234,351,211,352,197,354,185,353,171,351,154,348,147,342,137,339,132,330,122,327,
120,314,116,304,117,293,118,284,118,281,122,275,128,265,129,257,131,244,133,239,134,228,136,221,137,
214,138,209,135,201,132,192,130,184,131,175,129,170,131,159,134,157,134,160,130,170,125,176,114,176,
102,173,103,172,108,171,111,163,115,156,116,149,117,142,116,136,115,129,115,124,115,120,115,115,117,
113,120,109,122,102,122,100,121,95,121,89,115,87,110,82,109,84,118,89,123,93,129,100,130,108,132,110,
133,110,136,107,138,105,140,95,138,86,141,79,149,77,155,81,162,90,165,97,167,99,171,109,171,107,161,
111,156,113,170,115,185,118,208,117,223,121,239,128,251,133,259,136,266,139,276,143,290,148,310,151,
332,155,348,156,353,153,366,149,379,147,394,146,399]
second=[156,141,165,135,169,131,176,130,187,134,191,140,191,146,186,150,179,155,175,157,168,157,163,157,159,
157,158,164,159,175,159,181,157,191,154,197,153,205,153,210,152,212,147,215,146,218,143,220,132,220,
125,217,119,209,116,196,115,185,114,172,114,167,112,161,109,165,107,170,99,171,97,167,89,164,81,162,
77,155,81,148,87,140,96,138,105,141,110,136,111,126,113,129,118,117,128,114,137,115,146,114,155,115,
158,121,157,128,156,134,157,136,156,136]

im=Image.open("good.jpg", "r")

image=Image.new(im.mode, im.size)

color=(100,255,100)

#points=[(x,y) for x in first for y in second]

points=[(first[x],first[x+1]) for x in range(0,len(first),2)]
points.extend([(second[x],second[x+1]) for x in range(0,len(second),2)])
#points.sort()
#print points
image.putpixel2=partial(image.putpixel,value=color)

for point in points:
    image.putpixel2(point)

image.save("good2.jpg")

第１０关

import re

result='1'

pattern=re.compile(r'((?P<w>\d)(?P=w)*)')

for i in range(30):
    a=map(lambda x:'%s%s'%(len(x[0]),x[1]),pattern.findall(result))
    result=''.join(a)

print len(result)

第１１关

import Image

im=Image.open("cave.jpg")

width=im.size[0]
height=im.size[1]

even=Image.new(im.mode, (width/2,height/2))
odd=Image.new(im.mode, tuple([x/2 for x in im.size]))

for x in range(width):
    for y in range(height):
        pixel=im.getpixel((x,y))
        if x%2^y%2:
            odd.putpixel(((x-1)/2, y/2) if x%2 else (x/2, (y-1)/2) , pixel)
        else:
            even.putpixel((x/2, y/2), pixel)  
            
even.save('cave_even.jpg')
odd.save('cave_odd.jpg')

第１２关

content=open("evil2.gfx").read()
[open("12_%d.jpg" %i, "w").write(content[i::5]) for i in range(5)]

第１３关

import xmlrpclib

server=xmlrpclib.Server("http://www.pythonchallenge.com/pc/phonebook.php")
print server.phone("Bert")

第１４关

import Image

im=Image.open("wire.png")

print im.size
print im.mode

im14=Image.new(im.mode, (100,100))

directions=[(1,0),(0,1),(-1,0),(0,-1)]

def put(num,f):
    min,max=-1,num
    x=y=0
    direction=0
    for i in range(num*num):
        if (not min<x+directions[direction][0]<max) or (not min<y+directions[direction][1]<max) or(x==min+1 and y==min+2):
            direction+=1
            if direction is 4:
                direction=0
                min+=1
                max-=1
        apply(f,((x,y),))
        x+=directions[direction][0]
        y+=directions[direction][1]
        
    
res=[]
put(100,res.append)
for i,item in enumerate(res):
    im14.putpixel(item,im.getpixel((i,0)))
im14.save('14.jpg')

第１５关

import datetime,calendar

for i in range(1006,1997,10):
    d=datetime.date(i,1,26)
    if d.weekday() == 0 and i%4==0:
        print d

第１６关

import Image

#im=Image.open("good.jpg")
im=Image.open("mozart.gif")

print im.size

print im.mode

print im.getpixel((630,2))

def straighten(line): # 找到第一个粉红色像素，然后以它为开头，左对齐
    i=0
    while line[i]!=195:
        idx+=1
    return line[i:]+line[:i]

for h in range(im.size[1]):
    line=[im.getpixel((w,h)) for w in range(im.size[0])]
    line=straighten(line)
    [im.putpixel((w,h),line[w]) for w in range(im.size[0])]

im.save('16.gif')

什么意思？

不明所以，上来就一排排代码，没有丝毫象征性的注释讲解。 怎么上首页了~

楼上的几位,你们如果学习python的话,就知道是什么意思了.实在不行,还有GG利器可以使用啊.

呵呵 python challenge