MCQ Exam Test

Q1

What is getattr() used for?

A To access the attribute of the object
B To delete an attribute
C To check if an attribute exists or not
D To set an attribute

Q2

What does print(Test.name) display (assuming Test is the name of the class)?

A ()
B Exception is thrown
C Test
D __main__

Q3

What is the purpose of the @staticmethod decorator in Python classes?

A It defines a method that belongs to the class rather than an instance
B It defines a static attribute
C It defines a global function
D It defines a constructor

Q4

What is the output of the following code: class Parent: def init(self): print('Parent constructor') class Child(Parent): def init(self): print('Child constructor') obj = Child()

A Child constructor
B Parent constructor
C An error will occur
D Child Parent

Q5

What are the methods which begin and end with two underscore characters called?

A Special methods
B In-built methods
C User-defined methods
D Additional methods

Q6

Which function overloads the // operator?

A __div__()
B __ceildiv__()
C __floordiv__()
D __truediv__()

Q7

The assignment of more than one function to a particular operator is . . . . . . . .

A Operator over-assignment
B Operator overriding
C Operator overloading
D Operator instance

Q8

How can you create a private attribute in a Python class?

A By prefixing the attribute name with an underscore (_)
B By using the private keyword
C By using the hidden keyword
D By using the secure keyword

Q9

Which function overloads the + operator?

A __add__()
B __plus__()
C __sum__()
D none of the mentioned

Q10

. . . . . . . . is used to create an object.

A class
B constructor
C User-defined functions
D In-built functions

Q11

What will be the output of the following Python code? def add(c,k): c.test=c.test+1 k=k+1 class A: def init(self): self.test = 0 def main(): Count=A() k=0 for i in range(0,25): add(Count,k) print("Count.test=", Count.test) print("k =", k) main()

A Exception is thrown
B Count.test=25 k=25
C Count.test=25 k=0
D Count.test=0 k=0

Q12

What is the purpose of the @classmethod decorator in Python classes?

A It defines a method that belongs to the class and not the instance
B It defines a static method
C It defines a constructor
D It defines a destructor

Q13

What is setattr() used for?

A To access the attribute of the object
B To set an attribute
C To check if an attribute exists or not
D To delete an attribute

Q14

What is the difference between a class variable and an instance variable in Python?

A A class variable is shared among all instances of a class, while an instance variable is unique to each instance
B They are the same
C An instance variable is shared among all instances
D A class variable is unique to each instance

Q15

Is the following Python code valid? class B(object): def first(self): print("First method called") def second(): print("Second method called") ob = B() B.first(ob)

A It isn't as the object declaration isn't right
B It isn't as there isn't any __init__ method for initializing class members
C Yes, this method of calling is called unbounded method call
D Yes, this method of calling is called bounded method call

Q16

What is a constructor in Python classes?

A A special method that is automatically called when an object is created
B A built-in function
C A method that creates an object
D A method that destroys an object

Q17

What will be the output of the following Python code? class stud: def init(self, roll_no, grade): self.roll_no = roll_no self.grade = grade def display (self): print("Roll no : ", self.roll_no, ", Grade: ", self.grade) stud1 = stud(34, 'S') stud1.age=7 print(hasattr(stud1, 'age'))

A Error as age isn't defined
B True
C False
D 7

Q18

How can you access a class variable in Python?

A Using the class name and dot notation
B Using the self keyword
C Using the cls keyword
D Using the object keyword

Q19

. . . . . . . . represents an entity in the real world with its identity and behaviour.

A A method
B An object
C A class
D An operator

Q20

What is the output of the following code: class Parent: def show(self): print('Parent method') class Child(Parent): pass obj = Child() obj.show()

A Parent method
B An error will occur
C Child method
D obj

Q21

Which function overloads the == operator?

A __eq__()
B __equ__()
C __isequal__()
D none of the mentioned

Q22

What is Instantiation in terms of OOP terminology?

A Deleting an instance of class
B Modifying an instance of class
C Copying an instance of class
D Creating an instance of class

Q23

What is the output of the following code: class MyClass: x = 5 obj = MyClass() print(obj.x)

A 5
B An error will occur
C obj
D MyClass

Q24

Which operator is overloaded by the or() function?

A ||
B |
C //
D /

Q25

Which of the following Python code will print True? a = foo(2) b = foo(3) print(a < b)

A class foo: def __init__(self, x): self.x = x def __lt__(self, other): if self.x < other.x: return False else: return True
B class foo: def __init__(self, x): self.x = x def __less__(self, other): if self.x > other.x: return False else: return True
C class foo: def __init__(self, x): self.x = x def __lt__(self, other): if self.x < other.x: return True else: return False
D class foo: def __init__(self, x): self.x = x def __less__(self, other): if self.x < other.x: return False else: return True

python-programing - Part 66

What is getattr() used for?

What does print(Test.name) display (assuming Test is the name of the class)?

What is the purpose of the @staticmethod decorator in Python classes?

What is the output of the following code: class Parent: def init(self): print('Parent constructor') class Child(Parent): def init(self): print('Child constructor') obj = Child()

What are the methods which begin and end with two underscore characters called?

Which function overloads the // operator?

The assignment of more than one function to a particular operator is . . . . . . . .

How can you create a private attribute in a Python class?

Which function overloads the + operator?

. . . . . . . . is used to create an object.

What will be the output of the following Python code? def add(c,k): c.test=c.test+1 k=k+1 class A: def init(self): self.test = 0 def main(): Count=A() k=0 for i in range(0,25): add(Count,k) print("Count.test=", Count.test) print("k =", k) main()

What is the purpose of the @classmethod decorator in Python classes?

What is setattr() used for?

What is the difference between a class variable and an instance variable in Python?

Is the following Python code valid? class B(object): def first(self): print("First method called") def second(): print("Second method called") ob = B() B.first(ob)

What is a constructor in Python classes?

What will be the output of the following Python code? class stud: def init(self, roll_no, grade): self.roll_no = roll_no self.grade = grade def display (self): print("Roll no : ", self.roll_no, ", Grade: ", self.grade) stud1 = stud(34, 'S') stud1.age=7 print(hasattr(stud1, 'age'))

How can you access a class variable in Python?

. . . . . . . . represents an entity in the real world with its identity and behaviour.

What is the output of the following code: class Parent: def show(self): print('Parent method') class Child(Parent): pass obj = Child() obj.show()

Which function overloads the == operator?

What is Instantiation in terms of OOP terminology?

What is the output of the following code: class MyClass: x = 5 obj = MyClass() print(obj.x)

Which operator is overloaded by the or() function?

Which of the following Python code will print True? a = foo(2) b = foo(3) print(a < b)

Report a problem

What is getattr() used for?

What does print(Test.__name__) display (assuming Test is the name of the class)?

What is the purpose of the @staticmethod decorator in Python classes?

What is the output of the following code: class Parent: def init(self): print('Parent constructor') class Child(Parent): def init(self): print('Child constructor') obj = Child()

What are the methods which begin and end with two underscore characters called?

Which function overloads the // operator?

The assignment of more than one function to a particular operator is . . . . . . . .

How can you create a private attribute in a Python class?

Which function overloads the + operator?

. . . . . . . . is used to create an object.

What will be the output of the following Python code? def add(c,k): c.test=c.test+1 k=k+1 class A: def __init__(self): self.test = 0 def main(): Count=A() k=0 for i in range(0,25): add(Count,k) print("Count.test=", Count.test) print("k =", k) main()

What is the purpose of the @classmethod decorator in Python classes?

What is setattr() used for?

What is the difference between a class variable and an instance variable in Python?

Is the following Python code valid? class B(object): def first(self): print("First method called") def second(): print("Second method called") ob = B() B.first(ob)

What is a constructor in Python classes?

What will be the output of the following Python code? class stud: def __init__(self, roll_no, grade): self.roll_no = roll_no self.grade = grade def display (self): print("Roll no : ", self.roll_no, ", Grade: ", self.grade) stud1 = stud(34, 'S') stud1.age=7 print(hasattr(stud1, 'age'))

How can you access a class variable in Python?

. . . . . . . . represents an entity in the real world with its identity and behaviour.

What is the output of the following code: class Parent: def show(self): print('Parent method') class Child(Parent): pass obj = Child() obj.show()

Which function overloads the == operator?

What is Instantiation in terms of OOP terminology?

What is the output of the following code: class MyClass: x = 5 obj = MyClass() print(obj.x)

Which operator is overloaded by the __or__() function?

Which of the following Python code will print True? a = foo(2) b = foo(3) print(a < b)

What does print(Test.name) display (assuming Test is the name of the class)?

What will be the output of the following Python code? def add(c,k): c.test=c.test+1 k=k+1 class A: def init(self): self.test = 0 def main(): Count=A() k=0 for i in range(0,25): add(Count,k) print("Count.test=", Count.test) print("k =", k) main()

What will be the output of the following Python code? class stud: def init(self, roll_no, grade): self.roll_no = roll_no self.grade = grade def display (self): print("Roll no : ", self.roll_no, ", Grade: ", self.grade) stud1 = stud(34, 'S') stud1.age=7 print(hasattr(stud1, 'age'))

Which operator is overloaded by the or() function?