列表类型

按索引取值

name_list=['hh','开心','happy']
print(name_list[0])

hh

切片

print(name_list[0:2:1])

['hh', '开心']

长度len

print(len(name_list))

3

成员判断in or not in

print('hh' not in name_list)

True

追加append

name_list.append('11')
print(name_list)
print(name_list.append('11'))

['开心', 'happy', '11', '11', '11']
None

删除del

del name_list[0]
print(name_list)

['happy', '11', '11', '11', '11']

循 环for

for i in name_list:
    print(i)

happy
11
11
11
11

插入元素insert

name_list.insert(2,'4')
print(name_list)

['happy', '11', '4', '11', '11', '11']

pop删除

name_list=['开心', 'happy', '11', '11', '11']
name_list.pop(1)
print(name_list)
name_list.pop()#默认去除最后一个
print(name_list)

['开心', '11', '11', '11']
['开心', '11', '11']

remove去除

print(name_list)
name_list.remove('11')#根据元素的值来删除列表中的元素。而pop方法是根据元素的索引来删除列表中的元素
print(name_list)

['happy', '11', '11']
['happy', '11']

count计数

name_list=['开心', 'happy', '4', '11', '11']
print(name_list.count('11'))

2

index索引

print(name_list.index('11'))

3

clear清空

name_list.clear()
print(name_list)

[]

copy复制

name_list=['2','sfds','dskd']
print(name_list.copy())

['2', 'sfds', 'dskd']

extend扩展

name_list2=['00','fdfj']
name_list.extend(name_list2)
print(name_list)

['2', 'sfds', 'dskd', '00', 'fdfj']

reverse#翻转

name_list.reverse()
print(name_list)

['fdfj', '00', 'dskd', 'sfds', '2']

sort排序

num=['2','4','0']
num.sort()
print(num)

['0', '2', '4']