Free PCAP-31-03 Sample Questions — Certified Associate in Python Programming

Which of the following lambda definitions are correct? (Choose two.)

• A. lambda(x,y) = x//y - x%y
• B. lambda x,y: return x//y - x%y
• C. lambda x,y: (x,y)
• D. lambda x,y: x//y - x%y

A Python module named pymod.py contains a variable named pyvar. Which of the following snippets will let you access this variable? (Choose two.)

• A. from pymod import pyvar pyvar ()
• B. import pymod pymod.pyvar = 1
• C. import pyvar from pymod pyvar = 1
• D. from pymod import* pyvar = 1

What is true about Object-Oriented Programming in Python? (Choose two.)

• A. an object is a recipe for a class
• B. the arrows on a class diagram are always directed from a superclass towards its subclass
• C. encapsulation allows you to protect some data from uncontrolled access
• D. inheritance is the relation between a superclass and a subclass

What is true about Python packages? (Choose two.)

• A. a code designed to initialize a package’s state should be placed inside a file named init.py
• B. a package’s contents can be stored and distributed as an mp3 file
• C. __pycache__ is a folder that stores semi-compiled Python modules
• D. the sys.path variable is a list of strings

What is the expected output of the following code? import sys import math b1 = type(dir(math)[0]) is str b2 = type(sys.path[-1]) is str print(b1 and b2)

• A. False
• B. True
• C. 0
• D. None

A Python package named pypack includes a module named pymod.py which contains a function named pyfun(). Which of the following snippets will let you invoke the function? (Choose two.)

• A. from pypack.pymod import pyfun pyfun()
• B. import pypack pymod.pyfun()
• C. from pypack import * pyfun()
• D. import pypack import pypack.pymod pypack.pymod.pyfun()

Assuming that the math module has been successfully imported, which of the following expressions evaluate to True? (Choose two.)

• A. math.ceil(2.5) == math.trunc(2.5)
• B. math.ceil(2.5) < math.floor(2.5)
• C. math.floor(2.5) == math.trunc(2.5)
• D. math.hypot(3,4) == math.sqrt(25)

What is true about Python class constructors? (Choose two.)

• A. the constructor is a method named __init__
• B. there can be more than one constructor in a Python class
• C. the constructor must return a value other than None
• D. the constructor must have at least one parameter

What is the expected output of the following code? import sys import math b1 = type(dir(math)) is list b2 = type(sys.path) is list print(b1 and b2)

• A. None
• B. True
• C. 0
• D. False

Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Choose two.) string = 'REPTILE'[:3:] string = string[-1] + string[-2::-1]

• A. len(string) == 3
• B. string[0] == 'E'
• C. string[0] < string[-1]
• D. string is None

Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Choose two.) string = 'python'[::2] string = string[-1] + string[-2]

• A. len(string) == 3
• B. string[0] == 'o'
• C. string[0] == string[-1]
• D. string is None

What is the expected output of the following code? import sys b1 type (dir(sys)) is str b2 type (sys.path[-1]) is str print (b1 and b2)

• A. True
• B. False
• C. 0
• D. None

Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Choose two.) string = 'SKY'[::-1] string = string[-1]

• A. len(string) == 1
• B. string[0] == 'Y'
• C. string[0] == string[-1]
• D. string is None

Which of the following expressions evaluate to True? (Choose two.)

• A. 'in not' in 'not'
• B. 'a' not in 'ABC'.lower()
• C. 'not' not in 'in'
• D. 't'.upper() in 'Thames'

What is true about lambda functions? (Choose two.)

• A. they are called anonymous functions
• B. they cannot return the None value as a result
• C. they must contain the return keyword
• D. they must have a non-zero number of parameters