CC103-1

What is the output of the following code? class A: def __init__(self): self.var = 1 a = A() print(a.var)

• 0

• 1

• None

• Error

What will be the output? class A: def __init__(self): self.val = 5 def get_val(self): return self.val a = A() a.val = 10 print(a.get_val())

• 5

• 10

• None

• Error

Which method is called when an object is created? class B: def __init__(self): print("Object created")

• __new__()

• __init__()

• __str__()

• __call__()

What is the output? class A: def __str__(self): return "Hello" a = A() print(a)

• Hello

• A

• Error

What will be the output? class Parent: def greet(self): print("Hello from Parent") class Child(Parent): pass c = Child() c.greet()

• Error

• Nothing

• Hello from Parent

• Hello from Child

Which of the following defines inheritance correctly? class Base: pass class Derived(Base): pass

• class Base(Derived)

• class Derived -> Base

• class Derived(Base)

• Derived inherits Base()

What does the following code print? class A: def __init__(self): self.data = "A" class B(A): def __init__(self): super().__init__() self.data = "B" b = B() print(b.data)

• A

• B

• AB

• Error

What is the output? class A: def show(self): print("A") class B(A): def show(self): print("B") obj = B() obj.show()

• A

• B

• AB

• Error

What is the result? class A: __private = 10 def get_private(self): return A.__private a = A() print(a.get_private())

• 10

• __private

• Error

• None

What does the following code do? class A: count = 0 def __init__(self): A.count += 1 a = A() b = A() print(A.count)

• 1

• 2

• 0

• Error