Python if for

Pythoni if for

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if,for

Python 2.6.3 (r263rc1:75186, Oct  2 2009, 20:40:30) [MSC v.1500 32 bit (Intel)] on win32
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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']