python经典面试题

 

 

基础部分

1.将列表按照下列规则排序,补全代码

1.整数在前,负数在后
2.正数从小到大
3.负数从大到小
lst = [7,-8,5,4,0,-2,-5]
补全代码:
sorted(lst, key=lambda x:____)

答案: 

lst = [7,-8,5,4,0,-2,-5]
lst = sorted(lst, key=lambda x:(int(x<0), abs(x)))
print(lst)

View Code