Classes And Objects In Python — Part 2 MCQs with Explanations

Count.test=25 k=0 is the correct answer to “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()”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

Error as one argument is required while creating the object is the correct answer to “What will be the output of the following Python code? class test: def __init__(self,a): self.a=a def display(self): print(self.a) obj=test() obj.display()”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

__main__ is the correct answer to “What will be the output of the following Python code? class Demo: def __init__(self): pass def test(self): print(__name__) obj = Demo() obj.test()”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

False is the correct answer to “Special methods need to be explicitly called during object creation.”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

Non-static is the correct answer to “Which of the following is not a class method”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

It is used to call a method from the parent class is the correct answer to “What is the purpose of the super() function in Python classes”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

7 is the correct answer to “What will be the output of the following Python code? class change: def __init__(self, x, y, z): self.a = x + y + z x = change(1,2,3) y = getattr(x, 'a') setattr(x, 'a', y+1) print(x.a)”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

class A: pass is the correct answer to “Which of the following Python code creates an empty class”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

'Old' is printed is the correct answer to “What will be the output of the following Python code? class test: def __init__(self): self.variable = 'Old' self.Change(self.variable) def Change(self, var): var = 'New' obj=test() print(obj.variable)”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

True is the correct answer to “Is the following Python code correct? >>> class A: def __init__(self,b): self.b=b def display(self): print(self.b) >>> obj=A("Hello") >>> del obj”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

__add__(), __str__() is the correct answer to “Let A and B be objects of class Foo. Which functions are called when print(A + B) is executed”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

13 is the correct answer to “What will be the output of the following Python code? class fruits: def __init__(self, price): self.price = price obj=fruits(50) obj.quantity=10 obj.bags=2 print(obj.quantity+len(obj.__dict__))”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

To check if an attribute exists or not is the correct answer to “What is hasattr(obj,name) used for”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

Base class for all students is the correct answer to “What will be the output of the following Python code? class stud: ‘Base class for all students’ 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) print(student.__doc__)”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

10 is the correct answer to “What is the output of the following code: class Parent: x = 10 class Child(Parent): pass obj = Child() print(obj.x)”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

By using the isinstance() function is the correct answer to “How can you check if an object belongs to a specific class in Python”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

True is the correct answer to “__del__ method is used to destroy instances of a class.”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

By defining a variable within the class but outside any method is the correct answer to “How can you create a static variable in a Python class”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

__str__ called is the correct answer to “What will be the output of the following Python code? >>> class demo(): def __repr__(self): return '__repr__ built-in function called' def __str__(self): return '__str__ built-in function called' >>> s=demo() >>> print(s)”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

It allows you to define a method that can be accessed like an attribute is the correct answer to “What is the purpose of the @property decorator in Python classes”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

"Hello World" is displayed is the correct answer to “What will be the output of the following Python code? class test: def __init__(self,a="Hello World"): self.a=a def display(self): print(self.a) obj=test() obj.display()”. This question is standard in competitive examination syllabi for Classes And Objects In Python.

To delete an attribute is the correct answer to “What is delattr(obj,name) used for”. This question is standard in competitive examination syllabi for Classes And Objects In Python.