AITT LAB QUIZ 4

The output of:

def hello(a,b):

    print("How are you?")

hello(1,2)    is?

• 1 2

• How are you?

• How are you? 1 2

• None

The body of the class consists of:

• Objects

• Constructors

• Attributes

• None

Encapsulation is a combination of:

• Objects and Variables

• Classes and Objects

• Methods and Variables

• None

In the following code:

class demo:

    a=10

    def greet(self):

        print("Hello")

    print("Hi")

d= demo()

d.greet()

the constructor is:

• demo

• greet

• greet(self)

• None

In Inheritance:

A->B, where A is super class or base class and B is subclass, the this is called:

• Multiple Inheritance

• Multilevel inheritance

• Single Inheritance

• Hierarchical Inheritance

The following code is an example of:

class A:

    a=10

class B:

    b=20

class C(A,B):

    c=30

c= C()

print(c.a,c.b,c.c)

• Error

• 30

• 10 20 30

• None of the above

In the following code:

class Circle:

    def init(self,pi):

        self.pi = pi

    def calc_area(self,radius):

        return self.pi*radius**2

C1=Circle(3.14)

print('The area of Circle is ',C1.calc_area(5))

the instance variable is initialized with what  value?

• 5

• 3.14

• 2

• None of the above

The output of the following code is:

class Circle:

    def init(self,pi):

        self.pi = pi

    def calc_area(self,radius):

        return self.pi*radius**2

C1=Circle(3.14)

print('The area of Circle is ',C1.calc_area(5))

• 88.5

• 72.5

• 99.5

• 78.5

What is the output of the following code?

class demo:

    a=10

    def greet():

        print("Hello")

 d= demo()

d.greet()

• 10

• Hello

• Error

• None of the above

The output of the following code is:

 

class Car:

 

    wheels = 4

 

    def init(self, color, style):

        self.color = color

        self.style = style

 

    def showDescription(self):

        print("This car is a", self.color, self.style)

 

    def changeColor(self, color):

        self.color = color

 

c = Car('Black', 'Sedan')

 

c.showDescription()

 

c.changeColor('White')

 

c.showDescription()