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Python if forの変更点

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!!!Pythoni if for
[Python]
Python Osmosis 
http://python.secsup.org/?p=44

[Python Osmosis|http://python.secsup.org/?p=44]
!!if,for

 Python 2.6.3 (r263rc1:75186, Oct  2 2009, 20:40:30) [MSC v.1500 32 bit (Intel)] on win32
 Type "copyright", "credits" or "license()" for more information.
 
     ****************************************************************
     Personal firewall software may warn about the connection IDLE
     makes to its subprocess using this computer's internal loopback
     interface.  This connection is not visible on any external
     interface and no data is sent to or received from the Internet.
     ****************************************************************
     
 IDLE 2.6.3      
 >>> x = int(raw_input("Please enter an integer: "))
 Please enter an integer: 42
 >>> type(x)
 <type 'int'>
 >>> if x < 0:
 	x = 0
 	print 'Negative change to zero'
 elif  x == 0:
 	print 'Zero'
 elif  x == 1:
 	print 'Single'
 else:
 	print 'More'
 
 More
 >>> 
 >>> my_list = ['cat', 'window', 'defenestrate']
 >>> for x in my_list:
 	print x, len(x)
 
 	
 cat 3
 window 6
 defenestrate 12
 >>> 
 >>> for x in my_list[:]:
 	if len(x) > 6:
 		my_list.insert(0,x)
 
 		
 >>> my_list
 ['defenestrate', 'cat', 'window', 'defenestrate']