title: How to call this function
body: <p>How to measure the time of this code with timeit?(all functions have been defined)</p>
  
  <pre><code>    for i in range (1,10):
          bh = BinHeap()
          facc=[random.randrange(1,101,1) for _ in range (10+i)]
          bh.buildHeap(facc)
          print(bh.heapList)
          i=i+1
  </code></pre>