Quiz about Midterm spring 2023 review

Question 1

What is a file?

Accepted Answer

It is an object on a computer that stores data, information, settings, or commands used with a computer program.

Answer

It is an area on the computer containing other directories and files.

Question 2

The computer understands that files ending with ______ are Python files.

Accepted Answer

.py

Answer

.cs

Answer

.java

Answer

.js

Answer

.html

Question 3

What command should you use to run a Python file named hello world.py?

Accepted Answer

python world.py

Answer

run world.py

Answer

run python world.py

Answer

command .py world.py

Question 4

Which of these variable names is not valid in python?

Accepted Answer

&ones

Answer

turnover25

Answer

HOOP_RADIUS

Answer

short_angle

Question 5

What is the method .title() used for?

Accepted Answer

It changes each word to Title Case, where each word begins with a capital letter.

Answer

It changes a string to all lowercase.

Answer

It creates a title.

Answer

It changes a string to all UPPERCASE.

Question 6

What does the method .upper() do?

Accepted Answer

It changes a string to all UPPERCASE.

Answer

It changes a string to all lowercase.

Answer

It creates a title.

Answer

It changes each word to Title Case, where each word begins with a capital letter.

Question 7

What does the method .lower() do?

Accepted Answer

It changes a string to all lowercase.

Answer

It creates a title.

Answer

It changes each word to Title Case, where each word begins with a capital letter.

Answer

It changes a string to all UPPERCASE.

Question 8

What do we use to format strings and use variables inside strings?

Accepted Answer

f-strings

Answer

Python Lists

Answer

The format method from Javascript

Answer

Strings between backslashes (\)

Question 9

What character combination can we use to add a newline inside a string?

Accepted Answer

Answer

Answer

\an

Answer

\at

Question 10

What character combination can we use to add a tab inside a string?

Accepted Answer

Answer

Answer

\an

Answer

\at

Question 11

What is the symbol for addition in Python?

Accepted Answer

+

Answer

-

Answer

*

Answer

/

Question 12

What is the symbol for subtraction in Python?

Accepted Answer

-

Answer

+

Answer

*

Answer

/

Question 13

What is the result of the following operation: >>> 2 + 3 * 4

Accepted Answer

14

Answer

23333

Answer

234

Answer

20

Question 14

What is the result of the following operation: >>> (2 + 3) * 4

Accepted Answer

20

Answer

23333

Answer

14

Answer

234

Question 15

Does Python have a built-in constant type?

Accepted Answer

no

Answer

yes

Question 16

What is a list?

Accepted Answer

A list is a collection of items in a particular order.

Answer

A list is the representation of numbers in Python.

Answer

A list is a series of characters.

Answer

A list is a method that we use to list the name of variables in Python.

Question 17

Which of the following will access to the first element of a list?

Accepted Answer

bicycles[0]

Answer

bicycles[1]

Answer

bicycles(0)

Answer

bicycles[-1]

Question 18

Which statement will delete the last element of the following list?

students = ["Anna", "Alan, "Coco", "Grace"]

Accepted Answer

del students[-1]

Answer

del students[4]

Answer

students[-1].delete()

Answer

delete students["last"]

Question 19

What is the result of running the following Python code?

name = "ada lovelace"

name.title()

print(name)

Accepted Answer

ada lovelace

Answer

Ada Lovelace

Answer

Ada Lovelace title

Answer

ADA LOVELACE

Question 20

What is it the correct statement to order a list alphabetically and permanently?

Accepted Answer

cars.sort()

Answer

sorted(cars)

Answer

cars.sort(reverse=True)

Answer

cars.reverse()

Question 21

What is it the correct statement to order a list in reverse alphabetical order and permanently?

Accepted Answer

cars.sort(reverse=True)

Answer

sorted(cars)

Answer

cars.reverse()

Answer

cars.sort()

Question 22

What is it the correct statement to order a list alphabetically and temporarily?

Accepted Answer

sorted(cars)

Answer

cars.sort(reverse=True)

Answer

cars.reverse()

Answer

cars.sort()

Question 23

What is it the correct statement to reverse the order of a list?

Accepted Answer

cars.reverse()

Answer

sorted(cars)

Answer

cars.sort(reverse=True)

Answer

cars.sort()

Question 24

What is the correct syntax for the "for" loop?

Accepted Answer

for magician in magicians:

Answer

for each magician in magicians:

Answer

for magicians of magician:

Answer

for magician of magicians:

Question 25

What error will throw python interpreter with the code that you can use on the image?

Accepted Answer

IndentationError: expected an indented block

Answer

IndentationError: unexpected indent

Answer

SyntaxError: invalid syntax

Answer

ZeroDivisionError: division by zero

Question 26

What error will throw python interpreter with the code that you can use on the image?

Accepted Answer

IndentationError: unexpected indent

Answer

IndentationError: expected an indented block

Answer

SyntaxError: invalid syntax

Answer

ZeroDivisionError: division by zero

Question 27

What error will throw python interpreter with the code that you can use on the image?

Accepted Answer

SyntaxError: invalid syntax

Answer

IndentationError: expected an indented block

Answer

IndentationError: unexpected indent

Answer

ZeroDivisionError: division by zero

Question 28

Which is the function that makes easy to generate a series of numbers?

Accepted Answer

range()

Answer

len()

Answer

list()

Answer

random()

Question 29

What numbers will generate the following statement?

range(1, 5)

Accepted Answer

1 2 3 4

Answer

0 1 2 3

Answer

1 2 3 4 5

Answer

0 1 2 3 4

Question 30

Which function can we use to convert the result of a range() into a list?

Accepted Answer

list()

Answer

range()

Answer

len()

Answer

random()

Question 31

What is it the statement to make a list of the numbers from one to one million?

Accepted Answer

list(range(1,1000001))

Answer

list(range(1,1000000))

Answer

list(range(0,1000001))

Answer

list(range(0,1000000))

Question 32

Which is the function to find the minimum of a list of numbers?

Accepted Answer

min()

Answer

max()

Answer

sum()

Answer

len()

Question 33

Which is the function to find the maximum of a list of numbers?

Accepted Answer

max()

Answer

min()

Answer

sum()

Answer

len()

Question 34

Which is the function to find the sum of a list of numbers?

Accepted Answer

sum()

Answer

min()

Answer

max()

Answer

len()

Question 35

What is the name of a a specific group of items in a list?

Accepted Answer

slice

Answer

small group of a list

Answer

listy

Answer

comand

Question 36

If we have the following list:

players = ['charles', 'martina', 'michael', 'florence', 'eli']

What will be the output of the following statement:

print(players[0:3])

Accepted Answer

['charles', 'martina', 'michael']

Answer

['martina', 'michael', 'florence']

Answer

['charles', 'martina', 'michael', 'florence']

Answer

['michael', 'florence', 'eli']

Question 37

If we have the following list:

players = ['charles', 'martina', 'michael', 'florence', 'eli']

What will be the output of the following statement:

print(players[1:4])

Accepted Answer

['martina', 'michael', 'florence']

Answer

['charles', 'martina', 'michael']

Answer

['charles', 'martina', 'michael', 'florence']

Answer

['michael', 'florence', 'eli']

Question 38

If we have the following list:

players = ['charles', 'martina', 'michael', 'florence', 'eli']

What will be the output of the following statement:

print(players[:4])

Accepted Answer

['charles', 'martina', 'michael', 'florence']

Answer

['charles', 'martina', 'michael']

Answer

['martina', 'michael', 'florence']

Answer

['michael', 'florence', 'eli']

Question 39

If we have the following list:

players = ['charles', 'martina', 'michael', 'florence', 'eli']

What will be the output of the following statement:

print(players[2:])

Accepted Answer

['michael', 'florence', 'eli']

Answer

['charles', 'martina', 'michael']

Answer

['martina', 'michael', 'florence']

Answer

['charles', 'martina', 'michael', 'florence']

Question 40

What is the correct statement to copy the following list list?

my_foods = ['pizza', 'falafel', 'carrot cake']

Accepted Answer

friend_foods = my_foods[:]

Answer

friend_foods = my_foods

Answer

friend_foods = copy(my_foods)

Answer

my_foods.copy(friend_foods)

Question 41

What is the main difference between a tuple and a list?

Accepted Answer

Tuples cannot be change and list can.

Answer

Tuples only can have 2 elements.

Answer

Tuples can be change and list cannot.

Answer

There isn't a method to create tuples.

Question 42

What is the output?

Accepted Answer

True

Answer

False

Answer

condition1

Answer

condition2

Question 43

What is the output?

Accepted Answer

nextstop

Answer

next

Answer

stop

Answer

syntax error - program doesn't work

Question 44

What is the output?

Accepted Answer

True

Answer

NIL

Answer

TrueNIL

Answer

TrueNILNIL

Question 45

What will be outputted?

Accepted Answer

nothing

Answer

number is bigger than 10

Answer

an error

Answer

NUMBER IS BIGGER THAN 10

Question 46

How do we call the condition inside the if statement that can be evaluated as True or False?

Accepted Answer

conditional test

Answer

slice

Answer

python evaluation

Answer

logical operator

Question 47

How do we check if a value is in a list?

Accepted Answer

Using the "in" keyword.

Answer

Using the "for" loop.

Answer

Using the function isIn().

Answer

There is no way to check that.

Question 48

Which of the following create an empty dictionary called person?

Accepted Answer

person = dict()

Accepted Answer

person = {}

Answer

person = ()

Answer

person = []

Question 49

What data type is this?
quiz = {"Do you help out at home? ":"yes",
"Do you beleive in Santa? ":"yes"}

Accepted Answer

dictionary

Answer

list

Answer

string

Answer

dictionart

Question 50

is this code correct?
quiz = ("Do you help out at home? ":"yes" }

Accepted Answer

No

Answer

Yes

Answer

Both

Question 51

Which is the correct statement to delete a key-value pair from a dictionary called alien_11?

Accepted Answer

del alien_11['keyName']

Answer

alien_11.delete()

Answer

alien_11.discard()

Answer

alien_11.remove()

Question 52

________________method will returns number of key-value pairs in the given dictionary.

Accepted Answer

len( )

Answer

pop( )

Answer

del( )

Answer

keys( )

Answer

values( )

Question 53

How much information can a dictionary store in python?

Accepted Answer

Almost limitless amount of information.

Answer

Less than 1 Kilobyte.

Answer

A very limited amount of information.

Answer

A infinite amount, a dictionary can contain all the data in the world and more.

Question 54

What is it a dictionary in python?

Accepted Answer

It is a collection of key-value pairs.

Answer

It is the representation of numbers in Python.

Answer

It is a set of values associated with each other.

Answer

It is a series of characters.

Question 55

What is it a key-value pair?

Accepted Answer

It is a set of values associated with each other.

Answer

It is a collection of key-value pairs.

Answer

It is the representation of numbers in Python.

Answer

It is a series of characters.

Question 56

Can you add new key-value pairs to dictionaries?

Accepted Answer

Yes

Answer

No

Question 57

Does python allow you to loop through a dictionary?

Accepted Answer

Yes

Answer

No

Question 58

What method can we use to print all the key-value pairs of a dictionary as a list?

Accepted Answer

items()

Answer

keys()

Answer

values()

Answer

set()

Question 59

What method can we use to loop through all the keys of a dictionary?

Accepted Answer

keys()

Answer

items()

Answer

values()

Answer

set()

Question 60

What method can we use to loop through all the values of a dictionary?

Accepted Answer

values()

Answer

items()

Answer

keys()

Answer

set()

Question 61

What function can you use to loop through all the values of a dictionary avoiding duplicated values?

Accepted Answer

set()

Answer

items()

Answer

keys()

Answer

values()

Question 62

What is nesting in python?

Accepted Answer

It is to store multiple dictionaries in a list, or a list of

items as a value in a dictionary.

Answer

It is a natural instinct experienced by many expecting mothers, most commonly in the last trimester.

Answer

Are dynamic structures, and you can add new key-value pairs

to a dictionary at any time.

Question 63

What is the correct way to declare a function in Python?

Accepted Answer

def myFunc():

Answer

function myFunc():

Answer

var myFunc():

Answer

func myFunc():

Question 64

What is the correct way to call a function in Python?

Accepted Answer

myFunc()

Answer

function myFunc()

Answer

call myFunc()

Answer

myFunc.call()

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