Python Institute PCAP-31-03 Exam Preparation Guide and PDF Download [Q17-Q31]

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Python Institute PCAP-31-03 Exam Preparation Guide and PDF Download

Verified & Correct PCAP-31-03 Practice Test Reliable Source Mar 02, 2024 Updated

QUESTION 17
Which of the following expressions evaluate to True? (Select two answers)

len (” ‘ ”) == 2

len ( ‘ ‘ ‘ 12
34 ‘ ‘ ‘) == 4

chr (ord(‘z’) – 1 == ‘Y’

ord (”0”) – ord (”9”) == 10

QUESTION 18
Assuming that the following snippet has been successfully executed, which of the equations are False? (Select two answers)

len(a) == len(b)

a[0] – 1 == b[0]

a[0] = b[0]

b[0] – 1 == a[0]

>>> print(len(a)==len(b))
True
>>> print(a[0]-1==b[0])
True
>>> print(a[0]==b[0])
False
>>> print(b[0]-1 == a[0])
False

QUESTION 19
What is true about the following snippet? (Select two answers)

the code will raise an unhandled exception

the string I feel fine ‘will be seen

the string it’s nice to see you will be seen

the string what a pity will be seen

QUESTION 20
What is true about Object-Oriented Programming in Python? (Select two answers)

encapsulation allows you to protect some data from uncontrolled access

the arrows on a class diagram are always directed from a superclass towards its subclass

inheritance is the relation between a superclass and a subclass

an object is a recipe for a class

QUESTION 21
What is the expected output of the following code if existing_file is the name of a file located inside the working directory?

1 2

1 2 3

2 3

QUESTION 22
Files with the suffix .pyc contain:

Python 4 source code

backups

temporary data

semi-compiled Python code

QUESTION 23
Python’s built-in function named open () tries to open a file and returns:

an integer value identifying an opened file

an error code (0 means success)

a stream object

always None

QUESTION 24
Assuming that the code below has been executed successfully, which of the following expressions will always evaluate to True? (Select two answers) import random v1 = random. random() v2 = random. random()

len(random.sample([1,2,3],2)) > 2

v1 == v2

random.choice([1,2,3]) >=1

v1 >= 1

QUESTION 25
With regards to the directory structure below, select the proper forms of the directives in order to import module_ a. (Select two answers)

import pypack.module_a

import module_a from pypack

import module_a

from pypack import module_a

QUESTION 26
What is the expected behavior of the following code?

it outputs 1

it outputs 2

the code is erroneous and it will not execute

it outputs 3

QUESTION 27
What is the expected out of the following code of the file named zero_length_existing_file is a zero-length file located inside the working directory?