def sift_up_test_3():
heap = MinHeap([10, 20, 25, 22, 30, 25, 9], already_heap=True)
print(f"Original: {heap}")
heap.sift_up(6)
print(heap)
def sift_up_test_4():
heap = MinHeap([10, 20, 25, 18, 19, 25, 28], already_heap=True)
print(f"Original: {heap}")
heap.sift_up(4)
heap.sift_up(3)
print(heap)
def sift_up_test_1():
heap = MinHeap([10, 20, 25, 22, 30, 25, 28], already_heap=True)
print(f"Original: {heap}")
for i in range(7):
heap.sift_up(i)
print(heap) # No change expected
