input: from typing import List
  
  def top_three(numbers: List[int]) -> List[int]:
      """
      Find and return the top 3 largest numbers from an array of integers.
      >>> top_three([7, 13, 5, 8, 50, 11, 64, 48])
      [64, 50, 48]
      """
output:     numbers.sort(reverse=True)
      return numbers[:3]