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os.getcwd()£º»ñµÃµ±Ç°¹¤×÷Ŀ¼
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os.path.isdir(name):ÅжÏnameÊDz»ÊÇÒ»¸öĿ¼£¬name²»ÊÇĿ¼¾Í·µ»Øfalse
os.path.isfile(name):ÅжÏnameÊDz»ÊÇÒ»¸öÎļþ£¬²»´æÔÚnameÒ²·µ»Øfalse
os.path.exists(name):ÅжÏÊÇ·ñ´æÔÚÎļþ»òĿ¼name
os.path.getsize(name):»ñµÃÎļþ´óС£¬Èç¹ûnameÊÇĿ¼·µ»Ø0
os.path.abspath(name):»ñµÃ¾ø¶Ô·¾¶
os.path.normpath(path):¹æ·¶path×Ö·û´®ÐÎʽ
os.path.split(name):·Ö¸îÎļþÃûÓëĿ¼£¨ÊÂʵÉÏ£¬Èç¹ûÄãÍêȫʹÓÃĿ¼£¬ËüÒ²»á½«×îºóÒ»¸öĿ¼×÷ΪÎļþÃû¶ø·ÖÀ룬ͬʱËü²»»áÅжÏÎļþ»òĿ¼ÊÇ·ñ´æÔÚ£©
os.path.splitext():·ÖÀëÎļþÃûÓëÀ©Õ¹Ãû
os.path.join(path,name):Á¬½ÓĿ¼ÓëÎļþÃû»òĿ¼
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import os,sys
def listdir(dir,file):
    file.write(dir + '\n')
    fielnum = 0
    list = os.listdir(dir)  #ÁгöĿ¼ÏµÄËùÓÐÎļþºÍĿ¼
    for line in list:
        filepath = os.path.join(dir,line)
        if os.path.isdir(filepath):  #Èç¹ûfilepathÊÇĿ¼£¬ÔòÔÙÁгö¸ÃĿ¼ÏµÄËùÓÐÎļþ
            myfile.write('   ' + line + '\\'+'\n')
            for li in os.listdir(filepath):
                myfile.write('     '+li + '\n')
                fielnum = fielnum + 1
        elif os.path:   #Èç¹ûfilepathÊÇÎļþ


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#!/usr/bin/env python
# coding:utf-8
import email
import smtplib
class Mailer:
def __init__(self, smtp_host, smtp_user, smtp_passwd, smtp_port = 25) :
self.smtp_host = smtp_host
s ......

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Python ÉçÇøÓоäË×Ó“Python ×Ô¼º´ø×Åµç³Ø¡£” ±ð×Ô¼ºÐ´¼ÆÊ±¿ò¼Ü¡£Python 2.3ÒÔºó ¡¢¾ß±¸Ò»¸ö½Ð×ö timeit µÄÍêÃÀ¼ÆÊ±¹¤¾ß¡£DiveIntoÖеÄÀý×Ó
>>> import timeit
>>> t = timeit.Timer("soundex.soundex('Pilgrim')",
... "import soundex")
>>> t.timeit() ......

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ÍøÂçʱ¼ä·þÎñÆ÷ Ò»°ã¶¼×ñÑ­ RFC868 ЭÒé±ê×¼.
°´¸Ã±ê×¼ ¸½ÏÂÃæ Python Ô´Âë.
# -*- coding: utf-8 -*-
import socket,sys,time
#ʱ¼ä·þÎñÆ÷
host = "stdtime.gov.hk"
#¶Ë¿Ú
port = 37
#Ê±Çø
curtz = 8
#Á¬½Ó·þÎñÆ÷,²¢½ÓÊÕ·µ»Ø
try:
host = socket.gethostbyname(host)
s = socket.socket(socket.AF_INET,soc ......
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