# 选择排序 O(n2)
def insert_sort(li):
 for i in range(1, len(li)):
  tmp = li[i]
  j = i - 1
   while j >= 0 and li[j] > tmp:
      li[j + 1] = li[j]
   j -= 1
    li[j+1] = tmp

# -*- coding: utf-8 -*-
'''
插入排序：
 类似于摸牌，从牌堆中摸一张牌，和手中现有手牌比较。若大则放右边，小放左边。

''
def insert_sort(input_list):
 if len(input_list)<=1:
 return input_list
 for right in range(1,len(input_list)): # 开始从牌堆中摸牌
 val = input_list[right]  # 当前摸牌的值
 for left in range(0,right): # 循环和手中牌进行比较
  if val <= input_list[left]: # 若<最左边的牌了
  input_list[left+1:right+1]=input_list[left:right]
  input_list[left]=val
  break
 return input_list
if __name__ == '__main__':
 pre_list = [1,6,3,3,7]
 res = insert_sort(pre_list)
 print(res)