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1¡¢PythonÖ®ÖÐΨһÄÚ½¨µÄÓ³ÉäÀàÐ;ÍÊÇ×ֵ䣨Dictionary£©¡£×ÖµäÖеÄÖµ²¢Ã»ÓÐÌØÊâµÄ˳Ðò£¬µ«ÊǶ¼°´Õչؼü×Ö£¨Key£©½øÐд洢£¬¹Ø¼ü×Ö¿ÉÒÔÊÇÊý×Ö¡¢×Ö·û´®£¬ÉõÖÁÊÇÔª×飨Tuple£©¡£
2¡¢×ÖµäµÄÓï·¨£º×ÖµäÃû = {'¼ükeys':'Öµvaules','¼ükeys':'Öµvaules','¼ükeys':'Öµvaules',...}£¬×ÖµäÖаüº¬ºÜ¶à¶Ô£¨³ÆÎªÌõÄ¿items£©£¬ÓÉ£¨keys£©ºÍËüÃÇÏà¶ÔÓ¦µÄÖµ£¨Values£©×é³É£¬Ã¿¸ö¼üºÍÖµÖ®¼äÓÃðºÅ£¨:£©¸ô¿ª£¬ÌõĿ֮¼äÒÔ¶ººÅ£¨,£©Ïà¸ô£¬¶øÕû¸ö×ÖµäÊÇÓÉÒ»¶Ô»¨À¨ºÅÀ¨Æð£¬¿Õ×ֵ䣨ûÓÐÈκÎÏîÄ¿£©ÓÉÁ½¸ö»¨À¨ºÅ×é³É£¬ÏñÕâÑù£º{}¡£
     note:×ÖµäÖеļüÊÇΨһµÄ£¨ÆäËûÀàÐ͵ÄÓ³ÉäÒ²ÊÇÈç´Ë£©£¬¶øÖµÔò²»È»¡£
3¡¢×ֵ亯Êý£ºÄã¿ÉÒÔÓÃ×ֵ亯Êý´ÓÆäËûÓ³É䣨±ÈÈçÆäËû×ֵ䣩»òÕߣ¨¼ü£¬Öµ£©µÄÐòÁн¨Á¢×ֵ䡣eg:>>> items = [('name', 'Gumby'), age', 42)]   >>> d = dict(items)   >>> d   {'age': 42, 'name': 'Gumby'}    >>> d['name']   'Gumby'
     Ëü¿ÉÒÔ´øÓйؼü´Ê²ÎÊýʹÓã¬ÈçÏ£º
      >>> d = dict(name='Gumby', age=42)
      >>> d
      {'age': 42, 'name': 'Gumby'}
4¡¢»ù±¾×Öµä²Ù×÷£ºlen(d)·µ»ØdÖÐÌõÄ¿£¨¼ü-Öµ£©µÄÊýÁ¿£¬ d[k]·µ»Ø¹ØÁªµ½¼ükÉϵÄÖµ£¬d[k]=v½«Öµv¹ØÁªµ½¹Ø¼ü×ÖkÉÏ£¬del d[k]ɾ³ýÓµÓмükµÄÌõÄ¿£¬k in d¼ì²édÖÐÊÇ·ñº¬Óмük¡£eg:>>>len(d) 2  >>>d['age']  42   >>>d['age'] = 21  >>>'age' in d    true  >>>del d['age'].
     ×ÖµäµÄ¼ü²»Ò»¶¨ÎªÕûÊý,¿ÉΪÈκÎÀàÐÍ£¬±ÈÈç×Ö·û´®»òÔª×飬¸¡µãÊý¡£
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     ±í´ïʽk in d£¨dΪ×ֵ䣩ÓÃÀ´²éÕÒ¼ü£¬¶ø²»ÊÇÖµ¡£±í´ïʽv in l£¨lΪÁÐ±í£©ÔòÓÃÀ´²éÕÒÖµ£¬¶ø²»ÊÇË÷Òý¡£
5¡¢ÓÃ×Öµä¸ñʽ»¯×Ö·û£ºÔÚÿ¸öת»»ËµÃ÷£¨conversion specifier£©ÖеÄ%×ÖĸºóÃæ£¬Äã¿ÉÒÔ¼ÓÉϼü£¨ÓÃÔ²À¨ºÅÀ¨×¡£©£¬ºóÃæ¸úÉÏÆäËû˵Ã÷ÔªËØ¡£eg:>>>"gumby's age is %(age)s." %


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>>> import string
>>> s='adbecf'
>>>
tt=string.maketrans("abc","ABC")
>>> s.translate(tt,"")
'AdBeCf'
>>>
s.translate(tt,"")
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[Python and or ]Python ÖÐ and or Ö® ÎÒµÄÀí½â

c´úÂë:
int x = a>b?6,6;
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python°ÑÕâÀàÐ͵ŦÄÜ·¢Ñï¹âÁË´ó¡£µ«ÊÇÓÉÓÚÕâÖÖ×éºÏ±È½ÏÈÆ£¬ËùÒÔÓÐʱºò±È½Ï¾À½á:
±ÈÈç:
5 or 6 and 6  ·µ»Øwhat?
0 or 5  ·µ»Øwhat?
8 and 7  ·µ»Øwhat?
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1.pyhon ÖÐÓ ......

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Instant Hacking[Òë
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PythonÈÕÆÚºÍ×Ö·û´®µÄ»¥×ª

ÓõķֱðÊÇtimeºÍdatetimeº¯Êý
'''
Created on 2009-9-2
@author: jiangqh
'''
import time,datetime
# date to str
print time.strftime("%Y-%m-%d %X", time.localtime())
#str to date
t = time.strptime("2009 - 08 - 08", "%Y - %m - %d")
y,m,d = t[0:3]
print datetime.datetime(y,m,d)

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