python Day04

python list

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

# list

# append

names = []

names.append("tom")

names.append("jean")

names.append("robin")print(names)

# 修改names[1] = "joker"print(names)# removenames.remove("tom")print(names)

#selectprint(names.index("robin"))

#count

print(names.count("robin"))

#reverse

names.reverse()print(names)

#sort 按照ascll码排序

names.sort()print(names)#extend

names2 = [1,2,3,4]

names.extend(names2)print(names)