Python学习日记之练习代码

# -*- coding:utf-8 -*-

number = 23
test=True
while test:
    guess=int(raw_input('输入数字'))
     if guess==number:
        print 'g=n'
    elif guess>number:
        print 'g>n'
    else:
        print "g<n"

　　

# -*- coding:utf-8 -*-

while True:
    s=raw_input('输入任意字符')
    if s=='q':
        break
    print '总长度为',len(s)
print '结束'

　　

# -*- coding:utf-8 -*-

def test():
    global y,o
    y=o+y
    o=y-o
    y=y-o
y=5
o=7
test()
print y,o

　　

# -*- coding:utf-8 -*-

booklide=['1','2','3']
for item in booklide:
    print item,
booklide.append('4')
print booklide
del booklide[0]
print booklide

zoo=('91','82','73')
print zoo
print len(zoo)
print zoo[2][1]
print '%s'%(zoo[1][1])

　　

# -*- coding:utf-8 -*-
import os
import time
# 需要备份目录
source=['e:\\ppt']
# 存放目录
target_dir="E:\\"
target = target_dir + time.strftime('%Y%m%d%H%M%S')+'.zip'
print target
#rar_command='rar a %s %s'%(target,''.join(source))
rar_command = 'E:\winrar\WinRAR.exe a %s %s' % (target,' '.join(source))
print rar_command
if os.system(rar_command) == 0:
    print '备份成功',target
else:
    print '备份失败；dfsfgfdfrrggrr'

　　

# -*- coding:utf-8 -*-

class school:
    def __init__(self,name,age):
        self.name=name
        self.age=age

    def tell(self):
        print '%s %d'%(self.name,self.age),
class teacher(school):
    def __init__(self,name,age,a):
        school.__init__(self,name,age)
        self.a=a
    def tell(self):
        school.tell(self)
        print '%d'%(self.a)
t=teacher('姓名',20,3000)
t.tell()

　　

# -*- coding:utf-8 -*-

test='''\
这是一个测试
测试文件读写
'''
f=file('test.txt','w')
f.write(test)
f.close()

f=file('test.txt')
while True:
    line=f.readline()
    if len(line)==0:
        break
    print line,

f.close()

　　

# -*- coding:utf-8 -*-

import urllib

url='http://www.163.com'
html=urllib.urlopen(url)

#print html.read()
content=html.read().decode('gbk','ignore').encode('utf-8')
print content

　　

# -*- coding:utf-8 -*-

import os
import fnmatch
import re
ins="E:\\学习资料\\python"
path=unicode(ins,'utf-8')

def finds(path,fnexp):
	for root,path,files in os.walk(path):
		for filename in fnmatch.filter(files, fnexp):
			yield  os.path.join(root,filename)

for filename in finds(path, "*.html"):
	files = open('key.txt', 'a')
	alltext = open(filename).read()
	p1 = r'视频播放密码为：.*?(?=<)'
	pattern1 = re.compile(p1)
	matcher1 = re.search(pattern1, alltext)

	files.write(matcher1.group(0)+'\n')
files.close()