input: Write a function to find the largest three numbers in a list. Return these numbers as a list sorted in descending order.
  def find_largest_three(nums):
      if len(nums) < 3:
          return sorted(nums, reverse=True)
      return sorted(nums, reverse=True)[:3]
  
  assert find_largest_three([1, 6, 3, 8, 7, 4])==[8, 7, 6]
  assert find_largest_three([9, 2, 5, 10, 4, 7])==[10, 9, 7]
  assert find_largest_three([3, 1])==[3, 1]
  assert find_largest_three([7, 5, 8, 2, 1, 9, 6])==[9, 8, 7]
  assert find_largest_three([])==[]
output: def find_largest_three(nums):
      if len(nums) < 3:
          return sorted(nums, reverse=True)
      return sorted(nums, reverse=True)[:3]