def test_three_equal(x,y,z):
  
  result= set([x,y,z])
  if len(result)==3:
    return 0
  else:
    return (4-len(result))
def heap_queue_largest(nums,n):
  import heapq as hq
  
  largest_nums = hq.nlargest(n, nums)
  return largest_nums