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Python: How to iterate list in reverse order

时间:2016-01-04 23:50:55      阅读:250      评论:0      收藏:0      [点我收藏+]

#1

for index, val in enumerate(reversed(list)):

  print len(list) - index - 1, val

 

#2 

def reverse_enum(L):
  for index in reversed(xrange(len(L))):
    yield index, L[index]

L = [‘foo‘, ‘bar‘, ‘bas‘]
for index, item in reverse_enum(L):
  print index, item

 

#3

L = [‘foo‘, ‘bar‘, ‘bas‘]

for index in reversed(range(len(L))):
  print index, L[index]

Python: How to iterate list in reverse order

原文:http://www.cnblogs.com/lynnge/p/5100458.html

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