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what is heapq in python

jp98 answered on July 17, 2022 Popularity 10/10 Helpfulness 1/10

answer what is heapq in python

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what is heapq in python

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Heap queue is a special tree structure in which each parent node is less than or equal to its child node. In python it is implemented using the heapq module. It is very useful in implementing priority queues where the queue item with higher weight is given more priority in processing

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Contributed on Jul 17 2022

jp98

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# Python3 program to demonstrate working of heapq
  
from heapq import heapify, heappush, heappop
  
# Creating empty heap
heap = []
heapify(heap)
  
# Adding items to the heap using heappush function
heappush(heap, 10)
heappush(heap, 30)
heappush(heap, 20)
heappush(heap, 400)
  
# printing the value of minimum element
print("Head value of heap : "+str(heap[0]))
  
# printing the elements of the heap
print("The heap elements : ")
for i in heap:
    print(i, end = ' ')
print("\n")
  
element = heappop(heap)
  
# printing the elements of the heap
print("The heap elements : ")
for i in heap:
    print(i, end = ' ')

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Source: www.geeksforgeeks.org

Tags: heap

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Contributed on Aug 13 2022

Good Grasshopper

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what is heapq in python

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