li = ["hello", "se", [["m", "n"], ["h", "kelly"], "all"], 123, 446]

print(li[2][1][1])

表达式ls[2][-1][2]的结果是( )。

ls = [[0, 1], [5, 6], [7, 8]]

lis = []

for i in range(len(ls)):

    lis.append(ls[i][1])

print(lis)

s = list(

    "巴老爷有八十八棵芭蕉树，来了八十八个把式要在巴老爷八十八棵芭蕉树下住。老爷拔了八十八棵芭蕉树，不让八十八个把式在八十八棵芭蕉树下住。八十八个把式烧了八十八棵芭蕉树，巴老爷在八十八棵树边哭。"

)

以下选项中能输出s中字符个数的是

s = [4, 2, 9, 1]

s.insert(3, 3)

print(s)

a = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

s = 0

for c in a:

    for j in range(3):

        s += c[j]

print(s)

desserts = ["ice cream", "chocolate", "apple crisp", "cookies"]

favorite_dessert = "apple crisp"

for dessert in desserts:

    if dessert == favorite_dessert:

        print("%s is my favorite dessert!" % dessert.title())

（1.0）

a = [1, 3]

b = [2, 4]

a.extend(b)

print(a)

li = ["alex", "eric", "rain"]

s = "_".join(li)

print(s)

s = ["seashell", "gold", "pink", "brown", "purple", "tomato"]

print(len(s), min(s), max(s))

ls = ["2020", "1903", "Python"]

ls.append(2050)

ls.append([2020, "2020"])

print(ls)

list1 = []

for i in range(1, 11):

    list1.append(i**2)

print(list1)

lcat = ["狮子", "猎豹", "虎猫", "花豹", "孟加拉虎", "美洲豹", "雪豹"]

for s in lcat:

    if "豹" in s:

        print(s, end="")

        continue

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

s1 = ",".join(str(n) for n in L)

print(s1)

CLis = list(range(5))

print(5 in CLis)

ls = ["book", 666, [2018, "python", 314], 20]

print(ls[2][1][-2])