Python Data Structures - Chapter 8 Quiz

Chapter 8 Quiz

Quiz, 10 questions

Question 1

1
point

1. Question 1

How are "collection" variables different from normal variables?

Collection variables merge streams of output into a single stream

Collection variables can only store a single value

Collection variables can store multiple values in a single variable

Collection variables pull multiple network documents together

Question 2

1
point

2. Question 2

What are the Python keywords used to construct a loop to iterate through a list?

foreach / in

try / except

for / in

def / return

Question 3

1
point

3. Question 3

For the following list, how would you print out 'Sally'?

1







friends = [ 'Joseph', 'Glenn', 'Sally' ]

print(friends[2:1])

print(friends[2])

print(friends['Sally'])

print friends[3]

Question 4

1
point

4. Question 4

What would the following Python code print out?

1

2

3







fruit = 'Banana'



fruit[0] = 'b'



print(fruit)

Nothing would print - the program fails with a traceback

[0]

b

banana

B

Banana

Question 5

1
point

5. Question 5

Which of the following Python statements would print out the length of a list stored in the variable data?

print(length(data))

print(data.length)

print(data.Len)

print(len(data))

print(data.length())

print(strlen(data))

Question 6

1
point

6. Question 6

What type of data is produced when you call the range() function?

1







x = range(5)

A boolean (true/false) value

A list of characters

A string

A list of words

A list of integers

Question 7

1
point

7. Question 7

What does the following Python code print out?

1

2

3

4







a = [1, 2, 3]



b = [4, 5, 6]



c = a + b



print(len(c))

21

[1, 2, 3, 4, 5, 6]

[4, 5, 6]

6

15

[1, 2, 3]

Question 8

1
point

8. Question 8

Which of the following slicing operations will produce the list [12, 3]?

1







t = [9, 41, 12, 3, 74, 15]

t[:]

t[1:3]

t[12:3]

t[2:2]

t[2:4]

Question 9

1
point

9. Question 9

What list method adds a new item to the end of an existing list?

index()

push()

pop()

add()

forward()

append()

Question 10

1
point

10. Question 10

What will the following Python code print out?

1

2

3







friends = [ 'Joseph', 'Glenn', 'Sally' ]



friends.sort()



print(friends[0])

Joseph

friends

Glenn

Sally