python ºËÐıà³Ìѧϰ±Ê¼Ç(1, 2ÕÂ) ¶ÔÓ¦Let's
Let's python ϵÁÐÊÓƵ¶ÔӦѧϰ±Ê¼Ç, ±Ê¼ÇÊÇÎÒ×Ô¼ºÑ§Ï°¹ý³ÌÖеļǼ, ÀïÃæÓкིܶµÄ²»Çå³þµÄµØ·½, ºÜ¶à¶¼ÊÇÖ»ÄÜÎÒ×Ô¼º¿´¶®µÄ, ¹ØÓڱʼÇ, ÎÒ»áºÍÊÓƵͬ²½·¢²¼.
˳±ãÌáϸöÈ˹۵ã: ±Ê¼ÇÖ»ÄÜ°ïÖúÎÒÃÇÖØÐÂÎÂÏ°Ò»±é¸Õ²Åѧ¹ýµÄÄÚÈÝ, ÓÐÈË˵±Ê¼Ç¿ÉÒÔÔÚδÀ´ÓÃÓÚ²éѯ, ÎÒµ¹ÊǾõµÃAPIÎĵµ¸üÏ꾡, ¸ü׼ȷ. ÕæÕýÀí½âÁË˼ÏëÖ®ºó, ±Ê¼Ç»òÐíÕûÄ궼Óò»ÉÏÒ»´Î.
»ù±¾ÅäÖü°»ù´¡Óï·¨(1, 2ÕÂ)
1 Python.exe µÄ½âÊÍÆ÷options:
1.1 –d Ìṩµ÷ÊÔÊä³ö
1.2 –O Éú³ÉÓÅ»¯µÄ×Ö½ÚÂë(Éú³É.pyoÎļþ)
1.3 –S ²»µ¼ÈësiteÄ£¿éÒÔÔÚÆô¶¯Ê±²éÕÒpython·¾¶
1.4 –v ÈßÓàÊä³ö(µ¼ÈëÓï¾äÏêϸ׷×Ù)
1.5 –m mod ½«Ò»¸öÄ£¿éÒԽű¾ÐÎʽÔËÐÐ
1.6 –Q opt ³ý·¨Ñ¡Ïî(²ÎÔÄÎĵµ)
1.7 –c cmd ÔËÐÐÒÔÃüÁîÐÐ×Ö·û´®ÐÄÊÂÌá½»µÄpython½Å±¾
1.8 file ÒÔ¸ø¶¨µÄÎļþÔËÐÐpython½Å±¾
2 _ÔÚ½âÊÍÆ÷Öбíʾ×îºóÒ»¸ö±í´ïʽµÄÖµ.
3 printÖ§³ÖÀàcµÄprintf¸ñʽ»¯Êä³ö: print “%s is number %d!” % (“python”, 1)
4 printµÄÊäÈëÄÚÈݺóÃæ¼Ó¶ººÅ, ¾Í»áʹÆäÊäÈë²»»»ÐÐ
5 °ÑÊä³öÖض¨Ïòµ½ÈÕÖ¾Îļþ:
logfile = open(“c:/1.log”, “a”); //´ò¿ªÎļþc:/1.logʹÓÃaģʽ..¼´add, Ìí¼Ó.
print >> logfile, “Fatal error: invalid input!”; >>ΪÖض¨Ïò..½«printµÄ½á¹ûÖض¨Ïòµ½logfile, Êä³öÄÚÈÝÊÇ”Fatal error: invalid input!”…
logfile.close(); //¹Ø±ÕÎļþÁ÷…
6 ³ÌÐòÊäÈë: raw_input(“Ìáʾ×Ö·û´®”): user = raw_input(“ÇëÊäÈëÄúµÄÐÕÃû”);
7 int(ÊýÖµ)…..½«ÊýÖµ×Ö·û´®×ª»»³ÉÕûÊýÖµ…
8 ÔËËã·û:
8.1 + - * / %ÊǺÍÆäËûÓïÑÔÏàͬµÄ¼Ó¼õ³Ë¼°È¡Ä£ÔËËã.È¡ÓàÔËËã
8.2 / ÔÚ¸¡µãÈ¡Ä£Öеõ½µÄ½á¹ûÊÇÍêÕûµÄ¸¡µãÊý
8.3 // ÔÚ¸¡µãÈ¡Ä£Öеõ½µÄ½á¹ûÊǾ¹ýÉáÈ¥ÔËËãµÄ½á¹û.
8.4 ** Êdz˷½
8.5 >>ºÍ<<µÄÒÆλÔËËãÒ²Ö§³Ö. µ«²»Ö§³ÖjavaÖеÄ>>> ºÍ<<< ÒÆλ.
8.6 < <= > >= ++ != <> µÈ±È½ÏÔËËã·û
8.7 and or not µÈÂß¼ÔËËã·û
9 ±äÁ¿ºÍ¸³Öµ: pythonÊÇÈõÀàÐÍÓïÑÔ..
10 list, tuple, map * 4 µÃµ½µÄ½á¹ûÊÇÒ»¸öÐ嵀 list | tuple | map, ÊÇÔÊý¾ÝµÄ4·Ý
11 Êý×Ö:
11.1 int(ÓзûºÅÕûÊý)
1
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import socket, sys
if __name__ == '__main__':
#´¦Àí²ÎÊý
argv = sys.argv
if (len(argv)!=3) or (len(argv)==2 and argv[1]=='/?'):
print '>>>Useage:', argv[0], '<address> < ......
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