PythonÈëÃŵÄ36¸öÀý×Ó Ö® 23
Ô´´úÂëÏÂÔØ£ºÏÂÔØµØÖ·ÔÚÕâÀï
# 026
aList = ['1','2','3','4']
aListCopy = aList # Æäʵ£¬ÕâÀï½ö½ö¸´ÖÆÁËÒ»¸öÒýÓÃ
del aList[0]
print aList
print aListCopy # Á½¸öÒýÓÃÖ¸ÏòÁËÁËͬһ¸ö¶ÔÏó£¬ËùÒÔ´òÓ¡½á¹ûÒ»Ñù
aListCopy = aList[:] # ÕâÊǸ´ÖÆÕû¸ö¶ÔÏóµÄÓÐЧ·½·¨
del aList[0]
print aList
print aListCopy
output£º
['2', '3', '4']
['2', '3', '4']
['3', '4']
['2', '3', '4']
Ïà¹ØÎĵµ£º
PythonÖеÄeasy_install¹¤¾ßºÜºÃÓã¬ËüµÄ×÷ÓÃÀàËÆÓÚPhpÖеÄpear£¬»òÕßRubyÖеÄgem£¬»òÕßPerlÖеÄcpan¡£
Èç¹ûÏëʹÓÃeasy_install¹¤¾ß£¬¿ÉÒÔÖ±½Ó°²×°ez_setup.py
½Å±¾£¬ÔÙpython ez_setup.py£¨Ö®Ç°ÏÈÒª°²×°python£©£º
°²×°Íêºó£¬×îºÃÈ·±£easy_installËùÔÚĿ¼ÒѾ±»¼Óµ½PATH»·¾³±äÁ¿Àï:
Windows: C:\Python25\Scripts
Li ......
´úÂëºÜ¼òµ¥£¬²»µ½5kÐС£µ«ÊÇ˼·ͦºÃµÄ£¬¸Ä³Énon-blockingÁËÖ®ºóЧÂʾÍÊÇÄÜÌá¸ß²»ÉÙ£¬ÌرðÊÇ¿¼Âǵ½ÏÖ´úµÄweb app¶¼ÐèÒªºÍÆäËûµÄ
HTTP·þÎñÆ÷ͨÐÅ£¬blockingµÄ´ú¼ÛÌ«´óÁË¡£ Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed. The FriendFeed application ......
¡¡¡¡ÓÐʱºò£¬Òª°ÑÄÚ´æÖеÄÒ»¸ö¶ÔÏó³Ö¾Ã»¯±£´æµ½´ÅÅÌÉÏ£¬»òÕßÐòÁл¯³É¶þ½øÖÆÁ÷ͨ¹ýÍøÂç·¢Ë͵½Ô¶³ÌÖ÷»úÉÏ¡£PythonÖÐÓкܶàÄ£¿éÌṩÁËÐòÁл¯Óë·´ÐòÁл¯µÄ¹¦ÄÜ£¬È磺marshal, pickle, cPickleµÈµÈ¡£½ñÌì¾Í½²½²marshalÄ£¿é¡£
¡¡¡¡×¢Ò⣺
marshal²¢²»ÊÇÒ»¸öͨÓõÄÄ£¿é£¬ÔÚijЩʱºòËüÊÇÒ»¸ö²»±»ÍƼöʹÓõÄÄ£¿é£¬ÒòΪʹÓÃmarshalÐ ......
Àý1£º
# _018
# This is a module (if write Chinese in a module, there will be a error)
def func1():
print 'This is function 1.'
def func2():
print 'This is function 2.'
def func3():
print 'This is function 3.'
# 019
# ʹÓÓimport”Óï¾äµ÷ÓÃÄ£¿é£º
import _018_Module
_ ......