def quick_sort(alist, first, last): if first >= last: # 如果开始等于结尾,即就一个元素 return mid_value = alist[first] low = first high = last # 对于相等的情况都放到low的位置,所以第一个条件是>=.数据尽量放在一边. while low < high: # hight开始移动,左移所以-1 while low < high and alist[high] >=…
Python方法oslo_service.loopingcall.LoopingCallDone代码示例 demo: from oslo_service import loopingcall def _wait_for_image_state(): global num num = def _wait_for_state(): global num print num num = num + if num == : raise loopingcall.LoopingCallDone() time…