input: from typing import List
  
  def find_smallest_number(numbers: List[float]) -> float:
      """ Find the smallest number in the given list of numbers.
      >>> find_smallest_number([5, 4, 12, 17, 9])
      4
      >>> find_smallest_number([10, 20, 30, 40, 5])
      5
      """
      smallest = numbers[0] 
      for num in numbers:
          if num < smallest:
              smallest = num
      return smallest
output:     smallest = numbers[0] 
      for num in numbers:
          if num < smallest:
              smallest = num
      return smallest