Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

PythonµÄ×Öµä²Ù×÷

 
PythonµÄ×Öµä²Ù×÷
PythonÌṩÁ˶àÖÖÓ¦ÓÃÓÚ×ÖµäµÄ²Ù×÷¡£ÒòΪ×ÖµäΪÈÝÆ÷£¬ÄÚ½¨lenº¯Êý¿ÉÒÔ½«×ֵ䵱×÷µ¥Ò»²ÎÊýʹÓÃÌýÇзµ»Ø×Öµä¶ÔÏóÖÐÏîÄ¿£¨¼ü£¯Öµ¶Ô£©µÄÊýÄ¿¡£
×Öµä»áÔ±
ÔÚPython2.2ÒÔ¼°ºóÃæ°æ±¾£¬DÖеÄkÔËËã·û¼ì²âÊÇ·ñ¶ÔÏókÊÇ×ÖµäDÖеļü¡£Èç¹ûÊÇ·µ»ØTrueÈç¹û²»ÊÇ·µ»ØFalse¡£ÏàËÆµÄ£¬
Ë÷ÒýÒ»¸ö×Öµä
×ÖµäDÖеÄÖµÓëÏà¹ØµÄ¼ük±»Ë÷Òý±íʾΪ£ºD[k]¡£Ë÷Òý×ÖµäûÓеļü»áÒýÆðÒâÍâ¡£ÀýÈ磺
d = { 'x':42, 'y':3.14, 'z':7 } 
d['x']                          
# 42
d['z']                          
# 7
d['a']                          
# raises exception
ƽÕû¸³Öµµ½Ò»¸öʹÓû¹²»ÔÚ×ÖµäÖеļüµÄË÷Òý£¨ÀýÈ磬D[newkey]=value£©ÊÇÒ»¸ö¿ÉÐеIJÙ×÷£¬¸Ã²Ù×÷¼ÓÔØ¼üºÍÖµµ½×ÖµäÀïеÄÏîÄ¿ÖС£ÀýÈ磺
d = { 'x':42, 'y':3.14, 'z':7 } 
d['a'] =
16                     
# d is now {'x':42,'y':3.14,'z':7,'a':16}
del
D[k]ÖеÄdelÓï¾ä£¬É¾³ý×ÖµäÖÐÓµÓмükµÄÏîÄ¿¡£Èç¹ûk²»ÊÇ×ÖµäDÖеļü£¬del
D[k]¾Í»áÒýÆðÒâÍâ¡£
×ֵ䷽·¨
×Öµä¶ÔÏóÌṩÁ˶àÖÖ·½·¨£¬Èçϱí¸ñËùʾ¡£·Ç±äÒì·½·¨·µ»Ø½á¹û£¬µ«²»¸Ä±äËüÃÇʹÓõĶÔÏó¡£ÔÚÏÂÃæÁбíÖУ¬DºÍD1´ú±íÈκÎ×Öµä¶ÔÏó£¬k´ú±íDÖÐÈκÎÓÐЧµÄ¼ü£¬xΪÈκζÔÏó¡£
·½·¨
ÃèÊö
Non-mutating methods
D.copy( )
Returns a (shallow) copy of the dictionary
D.has_key(k)
Returns True if k is a key in D, otherwise returns False
D.items( )
Returns a copy of the list of all items (key/value pairs) in
D
D.keys( )
Returns a copy of the list of all keys in D
D.values( )
Returns a copy of the list of all values in D
D.iteritems( )
Returns an iterator on all items(key/value pairs) in D
D.iterkeys( )
Returns an iterator o


Ïà¹ØÎĵµ£º

pythonÖеÄexec º¯Êý

      ÔÚÏîÄ¿ÀïÃæÒ»¸ö½âÎöÎı¾µÄ¹¤¾ßÀïÃæÓõ½ÁËÕâ¸öÃüÁîÀ´¸³Öµ£¬¿ªÊ¼Ò»Ö±ÖªµÀÒâ˼£¬ºÇºÇ ²éÁËÏ£¬ÕÒµ½·½·¨ÈçÏ£º
exec
Óï¾äÓÃÀ´Ö´Ðд¢´æÔÚ×Ö·û´®»òÎļþÖеÄPythonÓï¾ä¡£ÀýÈ磬ÎÒÃÇ¿ÉÒÔÔÚÔËÐÐʱÉú³ÉÒ»¸ö°üº¬Python´úÂëµÄ×Ö·û´®£¬È»ºóʹÓÃ
exec
Óï¾äÖ´ÐÐÕâЩÓï¾ä¡£ÏÂÃæÊÇÒ»¸ö¼òµ¥µÄÀý×Ó¡£
> ......

µÚÒ»´ÎдÍêÕûµÄPython GUI³ÌÐò

 Ò¹ÀïÓÃÍâ¹ÒÈÝÒ×±»²é£¬Òò´ËÏëÈòËÊìµÄʱ¼ä¼¯Öе½°×Ì죬ÿ´Î¶¼Òª¿ÚË㣬Âé·³£¬ÕýºÃ¸Õ¸ÕѧÁËwxPython£¬Ò»Ê±ÊÖÑ÷£¬À´×Ô¼ºÐ´¸ö°É¡£Ëä˵´¿Êô×ÔÓé×ÔÀÖ£¬µ«Ò²Ñ§µ½²»ÉÙ¶«Î÷¡£ÏÖ¼ÇÓÚÏ¡£
1. ¹ØÓÚPythonµÄGUIÉè¼Æ
Ò»Ö±ÒÔÀ´¶¼Ã»ÓÐÒ»¸ö×ã¹»ºÃµÄKiller IDE£¬ÕâÒ²¹Ö²»µÃ£¬Ã»ÓÐÒ»¸ö×㹻ǿ´óµÄºǫ́£¬ÒªÏë×ö³ÉÖØÁ¿¼¶µÄIDE̸ºÎÈÝÒ×£¨ÒªÊ ......

PEP 0263 Defining Python Source Code Encodings

 
PEP 0263
Defining Python Source Code Encodings
Python will default to ASCII as standard encoding if no other
encoding hints are given.
To define a source code encoding, a magic comment must
be placed into the source files either as first or second
line in the file, suc ......

Python Ï̳߳Ø


import Queue, threading, sys
from threading import Thread
import time,urllib
# working thread
class Worker(Thread):
   worker_count = 0
   def __init__( self, workQueue, resultQueue, timeout = 0, **kwds):
       Thread.__init__( self, **kwds ) ......

python ¶íÂÞ˹·½¿é

Õâ¸öËãÊÇC++ǶÈëpython°É£¬ÀûÓÃpythonʵÏÖÏÔʾºÍʼþ´¦Àí£¬C++ʵÏÖÂß¼­
ÒÔºóÓÐʱ¼äÒ²»á·´¹ýÀ´ÊÔÊÔ£º£© 
import pygame
import sys
import os
import ctypes
def cur_file_dir():
#»ñÈ¡½Å±¾Â·¾¶
path = sys.path[0]
#ÅжÏΪ½Å±¾Îļþ»¹ÊÇpy2exe±àÒëºóµÄÎļþ£¬Èç¹ûÊǽű¾Îļþ£¬Ôò·µ»ØµÄÊǽű¾µÄĿ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ