7.6.1 Basic Data Structures Quiz

AI悦创原创2023年10月9日大约 3 分钟...约 1022 字

Question: 1

What kind of data structure is user_data in the following declaration?

user_data = ("TJ", 24, "artLover123")

A. Tuple

B. List

C. String

D. 2d List

Question: 2

What kind of data structure is user_data in the following declaration?

user_data = ["TJ", 24, "artLover123"]

A. Tuple

B. List

C. String

D. 2d List

Question: 3

Which of the following lines of code will cause an error?

Use the following definition of ages:

ages = (12, 5, 8)

A. ages = ages + (1, 3, 5)

B. print (ages[2])

C. ages = ages[2:]

D. ages[0] = 3

Question: 4

What does this code snippet print?

fruit = ["b", "n", "n"]
print ("a".join(fruit))

A. bnn

B. ba na na

C. banan

D. banana

Question: 5

What is the value of num after this code runs?

shapes = ["triangle", "square", "hexagon", "circle", "pentagon"]
num = len(shapes)

A. 0

B. 4

C. 5

D. 35

Question: 6

What does this program print?

sentence = "My favorite animal is a dog or chipmunk"
sentence_list = sentence.split()
sentence_list[-3] = "penguin"
sentence = " ".join(sentence_list)
print (sentence)

A. My favorite animal is a dog or penguin

B. My favorite animal is a penguin or chipmunk

C. My favorite animal is a dog penguin chipmunk

D. My favorite animal is a dog or chipmunk

Question: 7

Which of the following data structures is immutable?

A. Tuple

B. List

C. Dictionary

D. 2d List

Question: 8

What does this program print?

heights = [65, 56, 67, 48, 64]
heights.sort()
heights.extend([60, 61, 62])
heights.remove(67)
print (heights)

A. [48, 56, 64, 65, [60, 61, 62]]

B. [48, 56, 60, 61, 62, 64, 65]

C. [48, 56, 64, 65, 60, 61, 62]

D. The program will error.

Question: 9

How many times does this program print That's a large class!?

num_students = [23, 21, 33, 35, 24, 35]

for num in num_students:
    if num > 23:
        print ("That's a large class!")

A. 0

B. 1

C. 4

D. 6

Question: 10

What would the following program print to the screen when run?

my_list = [7, 0, 0, "d", "n", "o", "B"]

my_list.reverse()

for thing in my_list:
    print (thing)

Question: 11

Given the following list:

my_list = ["s", "Z", "e", "c", "c", "e", "r", "h", "e", "p", "t"]

which program below would give the following output:

s
e
c
r
e
t

for index in my_list:
    if index % 2 == 0:
        print (my_list[index])

for index in range(my_list):
    if index % 2 == 0:
        print (my_list[index])

for index in len(my_list):
    if index % 2 == 0:
        print (my_list[index])

for index in range(len(my_list)):
    if index % 2 == 0:
        print (my_list[index])

Question: 12

Which values entered into ‘my_list’ would print a value of ‘-1’ after the program has run?

my_list = [...]
num = 0

for thing in my_list:
    num = num - thing

print (num)

A. 5, -10, 6

B. -10, -5, 6

C. -5, 10, 6

D. -5, 0, 10, 6

Question: 13

Which of the following programs would produce the following output:

1. honey
2. bread
3. jelly
4. plates

my_list = ["honey", "bread", "jelly", "plates"]

for index in range(len(my_list)):
    print (str(index) + ". " + my_list)

my_list = ["honey", "bread", "jelly", "plates"]

for index in range(len(my_list)):
    print (str(index+1) + ". " + my_list[index])

my_list = ["honey", "bread", "jelly", "plates"]

for index in my_list:
    print (str(index+1) + ". " + my_list[index])

my_list = ["honey", "bread", "jelly", "plates"]

for index in len(my_list):
    print (str(index) + ". " + my_list[index])

Question: 14

Which of the following programs would alter my_list to consist of the following:

[‘red’, ‘green’, ‘blue’, ‘orange’, ‘yellow’]

my_list = ['red', 'green', 'blue', 'orange']

my_list.append('yellow')

my_list = ['red', 'green', 'blue', 'orange']

my_list.extend('yellow')

my_list = ['red', 'green', 'blue', 'orange']

my_list.replace('yellow')

my_list = ['red', 'green', 'blue', 'orange']

my_list.add('yellow')

Question: 15

What will be the output of the following program?

my_list = [1, 2, 3, 4]
num = 5

for index in range(len(my_list)):
    my_list.append(num + index)

print (my_list)

A. [1, 2, 3, 4, 5, 5, 5, 5]

B. [1, 2, 3, 4, 5]

C. [1, 2, 3, 4, 6, 7, 8, 9]

D. [1, 2, 3, 4, 5, 6, 7, 8]

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