ÉîÈëPythonÕªÒª
Ó¢ÎİæDive in python¿ÉÒÔÔÚÏÂÃæÕÒµ½ÖÐÎÄ·Òëhttp://linuxtoy.org/docs/dip/toc/index.html
Ä£¿éµÄ__name__£¬µ±Ä£¿é±»importʱ£¬ÆäΪģ¿éµÄÃû×Ö£¬µ±Ä£¿é×÷ΪmainÖ´ÐеÄʱºò£¬ÆäΪ__main__
´ÊµäµÄkeyÊÇ´óСдÃô¸ÐµÄ¡£
ListÒ²Ö§³ÖÖØÔØ+²Ù×÷£¬ÓÃÓÚ½«Á½¸ölistÁ¬½ÓÆðÀ´£¬²¢·µ»ØÒ»¸öList£¬Òò´ËËüûÓÐextendedÖ´ÐиßЧ¡£listÒ²+=²Ù×÷¡£*¿ÉÒÔ×÷ÓÃÓÚlist£¬×÷ÎªÖØ¸´Æ÷¡£
Tuple²»ÄÜÏòÆäÔö¼Ó£¬É¾³ýÔªËØ£¬ÒÔ¼°·µ»ØË÷ÒýÕâÑùµÄº¯Êý£¬µ«ÓÐin¡£¿ÉÒÔÈÏΪTuple±¾ÉíÊDz»¿É±äµÄ£¬Òò´Ë¿ÉÒÔ×÷ΪdictionaryµÄkey¡£
TupleºÍList¿ÉÒÔ»¥ÏàÏÔʽµÄ½øÐÐת»»£¬¶ÔÄÚÈݽøÐж³½á»ò½â¶³¡£
±äÁ¿¿ÉÒÔ²»ÓÃÉùÃ÷£¬µ«ËùʹÓõıäÁ¿±ØÐëÕâǰ¾¹ý¶¨Òå¡£
Ïà¹ØÎĵµ£º
Íò¶ñµÄ±àÂë
С²Ë¶ÔÓÚÀÏʦÉÏÒ»½Ú½²µÄ²»ÊǺÜÃ÷°×£¬ÒòΪûÓÐÒ»±¾ÊéÊǽ«ÎļþÓëwebÒ»Æð½²Êڵģ¬Ëû¾ö¶¨×Ô¼ºÌ½¾¿Ò»ÏÂËüÃÇÖ®¼äµÄ²»Í¬£º
Ê×ÏÈ£¬Ð¡²ËÔÚCÅ̽¨ÁËÒ»¸öÎı¾Îĵµ file.txt,ÊäÈëËĸö×Ö£ºÎÒÊÇС²Ë¡£
È»ºó£¬Ð¡²ËÔÚshellÖÐÁ·Ï°ÆðÀ´£º
>>> file=open("c:\\file.txt","r")
>>> data=file.read()
>> ......
ǰÑÔ£º
×î½üÓÖÏëѧϰpython,ÓÖÏëÈ¥ÎÂϰһÏÂËã·¨£¬ÓÚÊǾÍÏë³öÁËÕâ¸öÁ½²»ÎóµÄ·½·¨,^_^
¶ÑÕ»£º
ʹÓÃpythonµÄÁбí½á¹¹£¬ÏêÇé¿ÉÒԲ鿴help(list)
#Filename: stack.py
shoplist=['apple','mango','carrot','banana']
shoplist.append('rice')
popitem=shoplist[-1]
del shoplist[-1]
print 'the popitem is',popitem
......
#from pp3e Chapter 9.3
#############################################################################
# popup three new window, with style
# destroy() kills one window, quit() kills all windows and app; top-level
# windows have title, icon, iconify/deiconify and protocol for wm events;
# there ......
ÕÛÌÚ¼ÆËã»ú£¬±»¼ÆËã»úÕÛÌÚ£¬Ç°Ç°ºóºóÒ²ÓÐÊ®¼¸Äê¡£
×î¿É±¯µÄÊǾÓȻһÎÞËù³É£¬ËäÈ»½ö½ö³öÓÚÐËȤ£¬²¢ÎÞ¹¤×÷֮ѹÁ¦£¬µ«ÊÇÕâÖÖ´ìÕÛ¸ÐȷʵÊÇʵ´òʵµÄ¡£
ÒѾ¼Ç²»ÆðÊÇÄÄÒ»ÌìÁË£¬ºÃÏñͻȻ¾ÍÖªµÀÁËpythonµÄ´æÔÚ£¬´Ó×î³õµÄ²»¾Ò⣬µ½Ô½À´Ô½Ï²°®£¬ÎÒÒ»²½²½µÄÏòpython¿¿½ü¡£
ÎÒϲ»¶Python£¬ÕâÊÇÒ»¸öÊÂʵ£¬ÎÒ׫´ ......
1.open
ʹÓÃopen´ò¿ªÎļþºóÒ»¶¨Òª¼ÇµÃµ÷ÓÃÎļþ¶ÔÏóµÄclose()·½·¨¡£±ÈÈç¿ÉÒÔÓÃtry/finallyÓï¾äÀ´È·±£×îºóÄܹرÕÎļþ¡£
file_object = open('thefile.txt')
try:
all_the_text = file_object.read( )
finally:
file_object.close( )
×¢£º²»Ä ......