Graded Questions

Question 1

Which method can be used to find the sum of all elements in a list of numbers?

list.total()

sum(list)

list.sum()

list.add()

Question 2

What is the output of the following code?

my_list = [1, 2, 3, 4, 5]
del my_list[2]
print(my_list)

[1, 2, 3, 4, 5]

[1, 2, 4, 5]

[1, 2, 3, 5]

[1, 2, 4]

Question 3

What is the output of the following code?

my_list=[1, 2, 3]
my_list.append([4, 5])
print(my_list)

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

[1, 2, 3, 4, 5]

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

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

Question 4

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list.pop(2)
print(my_list)

[1, 2, 3, 4, 5]

[1, 2, 4, 5]

[1, 2, 3, 5]

[1, 3, 4, 5]

Question 5

How do you create a list containing the numbers from 0 to 9?

list(0,9)

list(range(10))

list.create(0,9)

list.from( 0,9)

Question 6

How do you remove an element from a list without knowing its index?

Iist.remove(element)

list.delete(element)

list.pop(element)

list.discard(element)

Question 7

Which of the following methods can be used to find the maximum value in a list of numbers?

list.maximum()

max(list)

list.max_value()

list.find_max()

Question 8

What is the output of the following code?

my_list = [3, 1, 4, 1, 5, 9, 2]
my_list.sort()
print(my_list)

[1, 1, 2, 3, 4, 5, 9]

[9, 5, 4, 3, 2, 1, 1]

[3, 1, 4, 1, 5, 9, 2]

[1, 2, 3, 4, 5, 9]

Question 9

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list[1:4]=[10, 20, 30, 40, 50]
print(my_list)

[1, 2, 3, 4, 5]

[1, 10, 20, 30, 40, 50, 5 ]

[1,10, 20, 30, 5]

[ 1, 2, 10, 20, 30, 40 ,50, 5]

Question 10

What is the purpose of the extend() method in python lists?

To add an element at the beginning of the list.

To insert an element at a specific index.

To add elements from another iterable to the end of the list.

To remove the last element from the list.

Question 11

Which of the following methods can be used to check if an element is present in a list?

element_in()

list.contains()

element in list

list.has_element()

Question 12

What will the following code output?

my_list = [10, 20, 30, 40, 50]
new_list = my_list[1:4]
print(new_list)

[20, 30, 40]

[10, 20, 30]

[20, 40, 50]

[30, 40, 50]

Question 13

What is the purpose of the reverse( ) method in a list?

It removes the last element from the list.

It changes the order of the elements to descending.

It returns a reversed copy of the list.

It sorts the list in reverse order.

Question 14

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
new_list=my_list[:]
new_list[0]=10
print(my_list)

[10, 2, 3, 4, 5]

[1, 2, 3, 4, 5]

[10, 10, 3, 4, 5]

[1, 10, 3, 4, 5 ]

Question 15

Which of the following methods sorts the elements of a list in ascending order?

list.sort()

list.sorted()

list.order()

list.arrange()

Question 16

How do you find the first index of a specific element in a list?

list.find(element)

list.index(element)

list.first_index(element)

list.get_index(element)

Question 17

How do you remove all elements from a list?

list.clear()

list.remove_all()

list.delete_all()

list.empty()

Question 18

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
result=my_list.pop(2)
print(result)

[1, 2, 4, 5]

[1, 2, 3, 4, 5]

[1, 2, 4, 5, 3]

Question 19

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
new_list=my_list[::-1]
print(new list)

[1, 2, 3, 4, 5]

[5, 4, 3, 2, 1]

[5, 1, 2, 3, 4]

[4, 3, 2, 1]

Question 20

Which method is used to insert an element at a specific index in a list?

list.add(index, element)

list.insert (index, element)

list.push(index, element)

list.place(index, element)

Question 21

How do you find the minimum value in a list of numbers?

list.min()

min(list)

list.minimum()

list.find_min()

Question 22

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list[1:4]=[10, 20]
print(my_list)

[ 1 , 10 ,20 , 5]

[1, 10, 20, 4, 5]

[1, 2, 10, 20]

[1, 2, 3, 10, 20, 5]

Question 23

What is the output of the following code?

my_list = [1, 2, 3, 4, 5]
my_list[1:3] = [10, 20, 30]
print(my_list)

[1, 10, 20, 30, 4, 5]

[1, 2, 3, 4, 5]

[1, 10, 20, 30, 30, 4, 5]

[1, 2, 10, 20, 30, 4, 5]

Question 24

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list.extend([6, 7])
print(my_list)

[ 1, 2, 3, 4, 5]

[1, 2, 3, 4, 5, 6, 7]

[6, 7, 1, 2, 3, 4, 5]

[1, 2, 3, 4, 5, [6, 7]]

Question 25

What dose the count( ) method do in a list?

Returns the number of occurrences of a given element.

Returns the total number of elements in the list.

Returns the index of the last occurrence of a given element.

Counts the number of even elements in the list.

Question 26

How do you check if two lists are equal in terms of their elements?

list1.equals(list2)

list1==list2

list1.compare(list2)

list1.is_equal(list2)

Question 27

How do you create an empty list in python?

empty_list()

[]

{}

None of the above.

Question 28

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list[1:3]=[]
print(my_list)

[1, 2, 3, 4, 5]

[1, 4, 5]

[1, 3, 4, 5]

[1, 2, 4, 5]

Question 29

How do you find the number of elements in a list?

len(list)

list.size()

list.length()

list.count()

Question 30

What is the output of the following code?

my_list = [1, 2, 3, 4, 5]
new_list = my_list
new_list[0] = 10
print(my_list)

[10, 2, 3, 4, 5]

[1, 2, 3, 4, 5]

[1,10, 3, 4, 5]

[10, 10, 3, 4, 5]

Question 31

What is the output of the following code?

my_list = [1, 2, 3, 4, 5]
result = my_list.remove(3)
print(result)

[1, 2 ,4 ,5]

None

True

False

Question 32

How do you remove the first occurrence of a specific element from a list?

list.remove_first (element)

list.remove(element)

list.delete_first(element)

list.pop(element)

Question 33

Which of the following is a valid way to access the first element of a list?

list.first()

list[0]

list.get(0)

list(1)

Question 34

What dose the index( ) method do in a list?

Returns the index of the first occurrence of a given element.

Reverses the order of the elements in the list.

Returns the element at the specified index.

Removes the element at the specified index.

Question 35

Which method is used to remove the last element from a list?

remove_last()

list.pop()

list.remove_last()

list.pop_last()

Question 36

How do you add elements from one list to another list?

list.append(list2)

list1.add(list2)

list.extend(list2)

list.combine(list2)

Question 37

How do you check if an element is not present in list?

element not in list

list.not_contains(element).

list.is_absent(element).

list.dose_not_have(element).

Question 38

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list.insert(0, 0)
print(my_list)

[0, 1, 2, 3, 4, 5]

[1, 2, 3, 4, 5]

[0, 1, 2, 3, 4, 5, 0]

[1, 0, 2, 3, 4, 5]

Question 39

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list.remove(2)
print(my_list)

[ 1, 2, 3, 4, 5]

[1, 3, 4, 5]

[ 1, 2, 4]

[1, 2, 3, 5]

Question 40

What is a list in python?

A sequence of integers.

A collection of unordered elements.

A single value.

A data type for storing multiple values in an ordered sequence.

Question 41

Which of the following is a valid way to create a copy of a list?

new _list=list

new_ list=list.copy()

new_list=copy(list)

new_list=list.clone()

Question 42

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
my_list.insert(2, 10)
print(my_list)

[1, 2, 3, 4, 5]

[1, 2, 10, 3, 4, 5]

[1, 2, 10, 4, 5]

[1, 2, 3, 10, 4, 5]

Question 43

What is the result of the following code?

my_list = [1, 2, 3]
my_list.append(4)
print(my_list)

[ 1 ,2 ,3]

[ 1, 2 ,3 , 4]

[4 , 3 ,2 ,1 ]

[1, 2 ,4 , 3]

Question 44

What is the output of the following code?

my_list = [1, 2, 3]
new_list = my_list * 2
print(new_list)

[1, 2, 3, 1, 2, 3]

[2, 4, 6]

[1, 2, 3, 6]

[2, 2, 2, 3, 3, 3]

Question 45

How do you check if a list is empty?

list.is_empty()

list.empty()

len(list)==0

list.size()==0

Question 46

Which method is used to find the index of the last occurrence of a given element in a list?

list.last_index()

list.index_last()

list.rindex()

list.last()

Question 47

How do you find the second largest element in a list?

max(list)

list.max()

sorted(list)[-2]

list. second_max()

Question 48

Which of the following methods can be used to add an element to the end of a list?

list.add_end(element)

list.append(element)

list.insert_end(element)

list.push_back(element)

Question 49

What is the output of the following code?

my_list=[1, 2, 3, 4, 5]
new_list=my_list.copy()
new_list[0]=10
print(my_list)

[ 1 , 2 , 3 , 4 , 5]

[10, 2, 3, 4, 5]

[1, 10, 3, 4, 5]

[10, 10, 3, 4, 5 ]

Question 50

What happens when you try to access an index that is out of range in a list?

The program crashes.

An IndexError is raised.

The list is automatically resized.

The last element is returned.

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