python中的列表

l1=list(range(2,101,2))
print(l1)

l2=['p','y','t','h','o','n']
print(l2[-1])
print(l2[0:3])
print(l2[4])

  从0开始到列表末端,如果从末端则是-1开始。

l1=list(range(2,101,2))
# print(l1)

l2=['p','y','t','h','o','n']
# print(l2[-1])
# print(l2[0:3])
# print(l2[4])
l2.insert(1,"X")
print(l2)

  列表插入

L=['m','i','l','e']
L.insert(0,"s")
print(L)

  倒序

l=[1,2,3,4,5,6,7,9,10,12,15]
l=list(range(0,5))
l.reverse()
print(l)

  

l=[1,2,3,4,5,6,7,9,10,12,15]
l=list(range(0,5))
l.reverse()
l.index(1)
l.count(15)
print(l)

  

posted @ 2025-08-06 16:01  华腾智算  阅读(6)  评论(0)    收藏  举报
https://damo.alibaba.com/ https://tianchi.aliyun.com/course?spm=5176.21206777.J_3941670930.5.87dc17c9BZNvLL