python对数组插入排序

#!/usr/bin/env python
# -*- coding:utf-8 -*-

lst = [5,1,4,3,2]
for i in range(len(lst) - 1):
    for j in range(i + 1, len(lst)):
        if lst[i] > lst[j]:
            lst[i], lst[j] = lst[j], lst[i]
print('after sorted', lst)