目录 堆的定义 堆满足以下特性: 堆的存储 heapq模块 创建堆: heapq.heapify(li) heapq.heappush(li, num) heapq.heappop(li) heapq.heappushpop(li, num) heapq.heapreplace(li, num) heapq.merge(li,li2)