【Python3】基本数据类型-列表(

2020-01-02 17:50:48 浏览数 (1)

例:

代码语言:javascript复制
name_list = ['alex', 'seven', 'eric']
或
name_list = list(['alex', 'seven', 'eric'])

基本操作:

  • 索引
  • 切片
  • 追加
  • 删除
  • 长度
  • 切片
  • 循环
  • 包含

详细介绍 如下 ~

append 追加

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
user_list.append('123')
print(user_list)

clear 清空

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
user_list.clear()
print(user_list)

copy 拷贝(浅拷贝)

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
v = user_list.copy()
print(v)

count 计数

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc','xmzncc']
v = user_list.count('xmzncc')
print(v)

extend 扩展原列表

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
user_list.extend(['qwe'])
print(user_list)

index 查找元素索引

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
v = user_list.index('xmznc')
print(v)

pop 删除索引,获取元素

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
v = user_list.pop(0)
print(v)
print(user_list)

remove 删除元素

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
v = user_list.remove('xmzncc')
print(v)
print(user_list)

reverse 翻转

代码语言:javascript复制
user_list = ['xmzncc','asd','fcc']
user_list.reverse()
print(user_list)

sort 排序 从大到小

代码语言:javascript复制
nums = [11,12,13,4,6,7,99,101]
nums.sort()
print(nums)

从小到大

代码语言:javascript复制
nums = [11,12,13,4,6,7,99,101]
nums.sort(reverse=True)
print(nums)

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