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Python常用内置数据结构和算法

 3 years ago
source link: http://blog.ilibrary.me/2019/07/15/python%E5%B8%B8%E7%94%A8%E5%86%85%E7%BD%AE%E7%AE%97%E6%B3%95
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常用数据结构和算法

  1. 字符串转数组: [x for x in “aaxxddbb”], [*“xxxaaabbbeee”]
  2. collections.Counter, 统计词频用. 这个在统计分类里面用的非常多。
  3. collections.deque,It’s pronounced /dɛk/
  4. math.ceil, math.floor, math.round, int(3.0/2)
  5. bisect.bisect_left, bisect.bisect_right
  6. sorted, List.sort()
  7. filter
  8. functools.reduce
  9. apply
  10. translate, maketrans
  11. range
  12. enumerate
  13. dict, set,str
  14. next(generator)
  15. yield, 生成generator
  16. heapq
  17. any, all
  18. 基础运算: //,**, %, 3.5%1.5=0.5
  19. heapq:
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