#   append()  追加    【在原来值最后追加】

test = [1,2,3,[88,99],'abc']

test.append('')

print(test)

[1, 2, 3, [88, 99], 'abc', '']

# clear()  清空

test = [12, '好', 'abc']

test.clear()

print(test)

[]

# copy() 浅拷贝

test = [12, '好', 'abc']

v = test.copy()

print(v)

[12, '好', 'abc']

# count() 计算出指定元素出现的次数

test = [12,34,8,56,8,98]

v = test.count(8)

print(v)

2

# extend() 扩展原来的列表    参数：可迭代对象

test = [12,23,18,19]

test.extend([8,66])

print(test)

[12, 23, 18, 19, 8, 66]

test = [12,23,18,19]

test.extend('早上好')

print(test)

[12, 23, 18, 19, '早', '上', '好']

# index()  根据值获取当前值索引位置(最左边优先)

test = [12,22,34,51,22,88]

v = test.index(22)

print(v)

1

# insert() 在指定位置插入元素

test = [12,22,34,51,22,88]

test.insert(0,8)

print(test)

[8, 12, 22, 34, 51, 22, 88]

# pop() 删除某个值（从最后一个开始删），并获取删除的值

test = [12,22,34,51,22,88]

v = test.pop()

print(test)

print(v)

[12, 22, 34, 51, 22]

88

# pop(位置数) 删除指定位置的值

test1 = [12,22,34,51,22,88]

v1 = test1.pop(2)

print(test1)

print(v1)

[12, 22, 51, 22, 88]

34

# remove() 删除指定的值，左边优先

test = [12,22,34,51,22,88]

test.remove(34)

print(test)

[12, 22, 51, 22, 88]

# reverse()  将当前列表反转

test = [1,2,3,4,5]

test.reverse()

print(test)

[5, 4, 3, 2, 1]

# sort() 排序          （从小到大）

test = [2,9,5,7,4,6,0]

test.sort()

print(test)

[0, 2, 4, 5, 6, 7, 9]

test1 = [2,9,5,7,4,6,0]

test1.sort(reverse=True)                  #（从大到小）

print(test1)

[9, 7, 6, 5, 4, 2, 0]