下面代码是冒泡排序逐步优化，写代码用递归也可以实现。什么冒泡排序就不写了，百度解释很详细。对理论不是很感兴趣。

#！/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
===========================
# @Time : 2020/9/19 19:54
# @File  : 冒泡排序.py
# @Author: adeng
# @Date  : 2020/9/19
============================
"""

import random,time

list_nums = random.sample(range(0,20000,3),12)
print(list_nums)
#---------------------for循环------------------
count = 0
for i in range(len(list_nums)):
    pass
    flag = True
    for j in range(len(list_nums)-1-i):
        count += 1
        if list_nums[j] > list_nums[j+1]:
            flag = False
            list_nums[j], list_nums[j+1] = list_nums[j+1], list_nums[j]

    if flag:
        break


print(list_nums)

# 查看比较多少次
print("比较的次数为{}".format(count))
#-------------------------while循环---------------------
i = 0
count =0
while i < len(list_nums):
    j = 0
    while j< len(list_nums)-1 -i:
        count += 1
        if list_nums[j] > list_nums[j + 1]:
            list_nums[j], list_nums[j+1] = list_nums[j+1], list_nums[j]
        j += 1
    i += 1

print(list_nums)
print("比较的次数为{}".format(count))

# 优化冒泡排序
# ---------------------------优化冒泡排序------------

i = 0
count1 =0
start_time = time.time()
while i < len(list_nums):
    flag = True # 假设每一趟都没有换行
    j = 0
    while j< len(list_nums)-1 -i:
        count1 += 1
        if list_nums[j] > list_nums[j + 1]:
            list_nums[j], list_nums[j+1] = list_nums[j+1], list_nums[j]
            flag = False # 交换了大小，flag为False
        j += 1
    if flag:
        # 这一趟走完以后，flag依然为True,说明这一趟没有进行数据交换
        break
    i += 1

end_time = time.time()

print(f"冒牌排序花费时间{end_time-start_time}秒")
print(list_nums)
print("比较的次数为{}".format(count1))

#------------------------递归----------------------------------

from typing import List
def array_init(array: List[int], n:int) -> List:
    i = 0
    j = 1
    while j < len(array):
        if array[i] > array[j]:
            array[i], array[j] = array[j], array[i]
        i += 1
        j += 1
    if n == 1:
        # print("array:",array)
        return array


    return array_init(array, n - 1)
start_time = time.time()
print(array_init(list_nums, len(list_nums)))
end_time = time.time()
print(f"冒牌排序花费时间{end_time-start_time}秒")

# ------------------------------封装---------------
def get_random_list(num:int,length)-> list:
    """
    获取一个随机列表
    @param array: 列表
    @return: 返回一个列表
    """
    return random.sample(range(num),length)

def sort_iter(list_num:list,reverse=False) -> list:
    """
    @param list_num: 列表排序
    @param reverse: False 升序 True 降序
    @return: 返回列表
    """
    global count
    count = 0
    for i in range(len(list_num)):
        pass
        flag = True
        for j in range(len(list_num) - 1 - i):

            count += 1
            if not reverse:
                if list_num[j] > list_num[j + 1]:
                    flag = False
                    list_num[j], list_num[j + 1] = list_num[j + 1], list_num[j]
            else:
                if list_num[j] < list_num[j + 1]:
                    flag = False
                    list_num[j], list_num[j + 1] = list_num[j + 1], list_num[j]

        if flag:
            break
    return list_num

print(sort_iter([3,2,1,10,8,3,6,],reverse=True),count)

def sort_lists(list_num:list,reverse=False) ->list:
    """

    @param list_num: 列表，元素要是int类型
    @param reverse: False 升序，True降序
    @return: 返回列表
    """
    i = 0
    count = 0 # 统计比较了多少次
    while i < len(list_num):
        flag = True  # 假设每一趟都没有换行
        j = 0
        while j < len(list_num) - 1 - i:
            count += 1
            if not reverse:
                if list_num[j] > list_num[j + 1]:
                    list_num[j], list_num[j + 1] = list_num[j + 1], list_num[j]
                    flag = False  # 交换了大小，flag为False
            else:
                if list_num[j] < list_num[j + 1]:
                    list_num[j], list_num[j + 1] = list_num[j + 1], list_num[j]
                    flag = False  # 交换了大小，flag为False

            j += 1
        if flag:
            # 这一趟走完以后，flag依然为True,说明这一趟没有进行数据交换
            break
        i += 1
    return list_num
a = [3,1,5,6,4,3,0]
sort_lists(a,reverse=True)
print(a) # [6, 5, 4, 3, 3, 1, 0]