yyl · August 23, 2012 02:29
diff --git a/iter1.py b/iter1.py
 a = [1,2,3]
 i = iter(a)
 i.next()
diff --git a/iter2.py b/iter2.py
 # iterator
 for i in [1,2,3]:
  print i*i

 # generator
 def square(li):
  for i in xrange(1, li):
    yield i*i

 for i in square(3):
  print i

 '''
 actually this is not a good example because code for generator 
 is much more than that of iterator. 
 but ...
 '''
	# iterator
	for i in [1,2,3]:
	print i*i

	# generator
	def square(li):
	for i in xrange(1, li):
	yield i*i

	for i in square(3):
	print i

	'''
	actually this is not a good example because code for generator
	is much more than that of iterator.
	but ...
	'''