input: Write a function to return the top 3 numbers from an array of integers. If the array has fewer than 3 numbers, return all the numbers present in the array.
  def top_three(numbers):
      sorted_numbers = sorted(numbers, reverse=True)
      return sorted_numbers[:3]
  
  assert top_three([7, 13, 5, 8, 50, 11, 64, 48]) == [64, 50, 48]
  assert top_three([9, 1, 5]) == [9, 5, 1]
  assert top_three([3, 2]) == [3, 2]
  assert top_three([]) == []
output: def top_three(numbers):
      sorted_numbers = sorted(numbers, reverse=True)
      return sorted_numbers[:3]