补全下列插入排序代码
【样例输入】[8,3,5,9,12,15]
【样例输出】[3,5,8,9,12,15]
lst = eval(input())
for i in range(1, len(lst)):
m = lst[i]
for j in range(i - 1, -1, -1):
if m>lst[j]:
continue
else:
r = len(lst)
a=m
lst.pop(i)
lst.insert(j,a)
break
print(lst)