from typing import List

def bubble_sort(numbers: List[int]) -> List[int]:
   """

   :type numbers: object
   """
   len_numbers = len(numbers)

   for i in range (len_numbers):
       for j in range(len_numbers-1-i):
           if numbers[j] > numbers[j + 1]:
               numbers[j], numbers[j + 1] = numbers[j + 1], numbers[j]
   return numbers


if __name__ == '__main__':
    import random
    nums = [random.randint(1, 1000) for i in range(10)]
    print(bubble_sort(nums))
