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Q:ÊÇ·ñÓöµ½¹ýpythonµÄÄ£¿é¼äÑ»·ÒýÓõÄÎÊÌ⣬ÈçºÎ±ÜÃâËü?
A: ÕâÊÇ´úÂë½á¹¹Éè¼ÆµÄÎÊÌ⣬ģ¿éÒÀÀµºÍÀàÒÀÀµ
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2.¿ÉÄÜÊǰÑÓ¦¸ÃÔÚÒ»ÆðµÄ¶«Î÷Ó²²ð¿ªÁË
3.¿ÉÄÜÊÇijЩְÔð·Å´íµØ·½ÁË
4.¿ÉÄÜÊÇÓ¦¸Ã³éÏóµÄ¶«Î÷û³éÏó
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²ÉÈ¡°ì·¨£¬´ÓÉè¼ÆÄ£Ê½ÉÏÀ´¹æ±ÜÕâ¸öÎÊÌ⣬±ÈÈç:
1. ʹÓà “__all__” °×Ãûµ¥¿ª·Å½Ó¿Ú
2. ¾¡Á¿±ÜÃâ import
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Q: PythonÖÐÈçºÎ¶¨ÒåÒ»¸öº¯Êý
A:
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def func(arg, *args, **kwagrs): #ÆÕͨº¯Êý
func_body
return
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lambda x: x **2 #ÄäÃûº¯Êý
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Q: Çëд³öÒ»¶ÎPython´úÂëʵÏÖɾ³ýÒ»¸ölistÀïÃæµÄÖØ¸´ÔªËØ
A:
>>> L1 = [4,1,3,2,3,5,1]
>>> L2 = []
>>> [L2.append(i) for i in L1 if i not in L2]
>>> print L2
[4, 1, 3, 2, 5]
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Q: PythonÊÇÈçºÎ½øÐÐÄÚ´æ¹ÜÀíµÄ
A: pythonÄÚ²¿Ê¹ÓÃÒýÓüÆÊý£¬À´±£³Ö×·×ÙÄÚ´æÖеĶÔÏó£¬PythonÄÚ²¿¼Ç¼Á˶ÔÏóÓжàÉÙ¸öÒýÓ㬼´ÒýÓüÆÊý£¬µ±¶ÔÏó±»´´½¨Ê±¾Í´´½¨ÁËÒ»¸öÒýÓüÆÊý£¬µ±¶ÔÏó²»ÔÙÐèҪʱ£¬Õâ¸ö¶ÔÏóµÄÒýÓüÆÊýΪ0ʱ£¬Ëü±»À¬»ø»ØÊÕ¡£ËùÓÐÕâЩ¶¼ÊÇ×Ô¶¯Íê³É£¬²»ÐèÒªÏñCÒ»Ñù£¬È˹¤¸ÉÔ¤£¬´Ó¶øÌá¸ßÁ˳ÌÐòÔ±µÄЧÂʺͳÌÐòµÄ½¡×³ÐÔ¡£
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Q: дһ¸ö¼òµ¥µÄPython socket±à³Ì
A: socketÊÇÓÃÀ´½øÐÐÍøÂç±à³ÌÓõĽӿڣ¬ÍøÂç±à³Ì·ÖΪ·þÎñÆ÷¶ËºÍ¿Í»§¶Ë
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import socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(('localhost', 8001))
sock.listen(5)
while True:
conn, addr = sock.accept()
try:
conn.settimeout(5)
buff = conn.recv(1024)
if buff == '1':
conn.send('Hello, Client...')
else:
conn.send('Please, Go Out...')
except socket.timeout:
print 'Socket Time Out...'
finally:
conn.close()
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import socket
import time
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(('localhost', 8001))
time.sleep(2)
sock.send('1')
print sock.recv(1024)
sock.close()
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Q£ºsrc = "security/afafsff/?ip=123.4.56.78&id=45"£¬Çëдһ¶Î´úÂëÓÃÕýÔòÆ¥Åä³öIP
A:
import re
src = "security/afafsff/?ip=123.4.56.78&id=45"
m = re.search('ip=(\d{1,3}\.\d{1,3}\.\d{1,3}.\d{1,3})', src, re.S) # re.S ¸Ä±ä'.'µÄÐÐΪ
print m.group(1)
# Êä³ö½á¹û
>>>
123.4.56.78
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