Question 1

Take a look at the code below and name its elements: (select 2)

import datetime

class Note:

def __init__(self, content):

self.content = content

self.creation_time = datetime.datetime.now().strftime(

'%m-%d-%Y %H:%M:%S'

)

def find(self, word):

return word.lower() in self.content.lower()

Options :

A : Note is a class, find is a method, content is an instance attribute.

B : Note is a class, find is a function, content is a class attribute.

C : Note is a method, find is a function, content is an instance attribute.

D : Note is a class, find is a decorator, content is an instance attribute.

Answer: A

Question 2

A concept of handling exceptions raised by other exception handling code...

Options :

A : is not used in Python.

B : is called exception suppression.

C : is called exception raising.

D : is called exception chaining.

Answer: D

Question 3

Something is missing from the following class declaration. What is missing?

class Company:

def __init__():

self.country = 'USA'

Options :

A :

You should directly inherit from the built-in object class. For example:

class Company(object):

def __init__():

self.country = 'USA'

B : The __init__() method (constructor) should be named init().

C : The __init__() constructor lacks the obligatory parameter self.

D : You should use the snake_case convention for the class name.

Answer: C

Question 4

Assume that the following piece of code has been successfully executed:

class Vehicle:

fleet = 0

def __init__(self, category=None):

self.category = category if category else 'vehicle'

Vehicle.fleet += 1

def __str__(self):

return self.category

class LandVehicle(Vehicle):

def __str__(self):

return super().__str__() + ': land'

class AirVehicle(Vehicle):

def __str__(self):

return super().__str__() + ': air'

What is the expected output of the following piece of code?

veh1 = Vehicle()

veh2 = LandVehicle()

veh3 = AirVehicle()

print(veh1)

print(veh2)

print(veh3)

Options :

A :

vehicle

B :

vehicle

: land

: air

C :

vehicle

vehicle: land

vehicle: air

D : This code will raise the SyntaxError exception.

Answer: C

Question 5

Suppose you have the following Laptop class:

1. class Laptop:

2. def __init__(self, ram=8):

3. self.ram = ram

4.

5. def set(self, ram=4):

6. self.ram += ram

7. return self.ram

What is the expected output of the following code?

laptop = Laptop()

print(laptop.ram)

laptop.set()

print(laptop.ram)

laptop.set(8)

print(laptop.ram)

Options :

A : 4

8

16

B : This code will raise the AttributeError exception.

C : 8

12

16

D : 8

12

20

Answer: D

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