AICPA PCAP-31-03 Questions & Answers

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PCAP-31-03

Certified Associate in Python Programming - 2025

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Question: 298

What is the purpose of the sub () method in a Python class?

To define how the - operator can be used with the object.
To define the initial state of the object when it is created.
To define the methods that can be called on the object.

wer: A
anation: The __sub__() method in a Python class is used to define ho rator can be used with the object. This can be useful for objects that sent values or collections that can be subtracted from each other, such bers or sequences.

stion: 299
ch of the following is not a valid method for the list data type in Pytho

ppend() sert()
move()
vmod()

wer: D
anation: divmod() is not a valid method for the list data type. It is a b ion in Python that returns the quotient and remainder of a division
To define the attributes that the object will have.

Que

a
in
re
di

funct operation.

Question: 300

What is the purpose of the setitem () method in a Python class?

To enable setting of individual elements of the object
To define the initial state of the object
To specify the default behavior when the object is printed
To enable the object to be used in mathematical operations Answer: A

mpt to assign a value to an element of the object using square brackets, ndex] = value. By implementing this method, you can define custom vior for how the object should respond to item assignment operations.

stion: 301

is the output of the following code?

unc(x, y): return x + y

_var = func (func_var(2, 3))

ypeError: func_var() takes 2 positional arguments but 3 were given ameError: name 'func_var' is not defined

Explanation: The setitem () method in a Python class is used to enable setting of individual elements of the object. This method is called when you atte like

Que

5
6
T
N

Explanation: The func function is assigned to the variable func_var. When func_var(2, 3) is called, it invokes the func function with the arguments 2 and 3, which returns 5.

Question: 302

What is the output of the following code?

def foo(x): try:

except ZeroDivisionError: return 'Cannot divide by zero'

0, 'Cannot divide by zero' 0, 0

'Cannot divide by zero' 0, 'Cannot divide by zero'

anation: The foo function takes an argument x and attempts to divide ide a try block. If a ZeroDivisionError occurs, the function returns the

'Cannot divide by zero'. When foo(2) is called, the function returns 5 h is then printed. When foo(0) is called, the ZeroDivisionError is rais he function returns the string 'Cannot divide by zero', which is then ed. The output of the code is 5.0, 'Cannot divide by zero'.

stion: 303

is the output of the following code? 1, 2, 3, 4, 5]

5.
5.
5,
5.

Que

a.remove(3) print(b)

A. [1, 2, 4, 5]

B. [1, 2, 3, 4, 5]

C. [1, 2, 3, 4]

D. [1, 2, 3, 4, 5, 1, 2, 4, 5]

Explanation: In the given code, a and b are both references to the same list object. When the remove(3) method is called on a, it removes the first occurrence of the value 3 from the list. Since b is a reference to the same list, the change made to a is reflected in b as well, and the output is [1, 2, 4, 5].

Question: 304

is the purpose of the __delitem__() method in a Python class?

enable deletion of individual elements of the object define the initial state of the object

specify the default behavior when the object is printed enable the object to be used in mathematical operations

anation: The __delitem__() method in a Python class is used to enable ion of individual elements of the object. This method is called when y mpt to delete an element of the object using the del keyword, like del ndex]. By implementing this method, you can define custom behavior

he object should respond to item deletion operations.

stion: 305

is the output of the following code snippet?

To
To
To
To

Que

def my_func(x, y): return round(x / y)

print(my_func(10, 3))

3
3.0
3.33
4

stion: 306

is the output of the following code? 1, 2, 3, 4, 5]

10, 20, 30] [10, 20, 30]

0, 20, 30] [1, 2, 3, 4, 5]

2, 3, 4, 5] [10, 20, 30]

2, 3, 4, 5] [1, 2, 3, 4, 5]

anation: In the given code, a and b are initially assigned the same list ct. However, when a is reassigned to a new list [10, 20, 30], the refere original list is lost, and b still points to the original list [1, 2, 3, 4, 5].

Explanation: The my_func takes two parameters x and y and returns the result of x / y rounded to the nearest integer. When my_func(10, 3) is called, it performs the division 10 / 3, which results in 3.3333, and then rounds it to the nearest integer, which is 4.

Que

a = [ b = a a = [ print

[
[1
[1,
[1,

Question: 307

What is the output of the following code snippet?

def my_func(x, y): return len(str(x * y))

print(my_func(12, 34))

4
5
6
7

erts the result to a string, and then returns the length of the string. Wh func(12, 34) is called, the result of 12 * 34 is 408, which has a string l Therefore, the output is 6.

stion: 308

is the output of the following code?

pt ZeroDivisionError: ("ZeroDivisionError occurred") ly:

("Finally block executed") eroDivisionError occurred ly block executed

nally block executed eroDivisionError occurred

ypeError: unsupported operand type(s) for /: 'int' and 'int'

Explanation: The my_func takes two parameters x and y, multiplies them, conv en

Que

try: x = 1 exce print final print

Z
Final
Fi
Z
T

Explanation: The code attempts to divide 1 by 0, which raises a ZeroDivisionError. This error is caught in the except block, and the message "ZeroDivisionError occurred" is printed. Regardless of whether an exception is raised or not, the finally block is always executed, and the message "Finally block executed" is printed.

Question: 309

Which of the following statements about the new method in a Python class is true?

Ans Expl beha cust

Que

class def _ self.x

def method(self): print("A's method")

def init (self, x, y): A. init (self, x) self.y = y

obj = B(1, 2) print(obj.x, obj.y)

1 2
2 1
AttributeError: 'B' object has no attribute 'x'
TypeError: init() missing 1 required positional argument: 'y'

anation: The B class inherits from the A class and adds the y attribute t__ method. When the obj instance of B is created, the __init__ meth class is called with the x argument, and the y argument is assigned t ribute of the B class. Therefore, the output is 1 2.

stion: 311

is the output of the following code?

_init__(self): r().__init__()

Que

class def _ self.x

class def _ supe self.x

print(a.x, b.x)

1 1
1 2
2 2
An error will be raised

Explanation: In the given code, the A class has an init

initializes the x attribute to 1. The B class inherits from A and also has an

method that calls the init

method of the parent class (A) using

stion: 312

is the output of the following code snippet?

y_func(x, y): return x ** y

(my_func(2, 3))

anation: The my_func takes two parameters x and y and returns the re

* y, which is the exponentiation operation (raising x to the power of

super(). init (), and then sets the x attribute to 2. When instances of A and B are created and their x attributes are printed, the output is 1 2, as the x attribute of the B instance is overwritten by the assignment in the B class's init meth

Que

6
8
9
16

When my_func(2, 3) is called, it returns the result 2 ** 3 = 8.

Question: 313

What is the output of the following code?

def foo(x, y=1, *args, z=2, **kwargs): print(x, y, args, z, kwargs)

foo(0, 1, 2, 3, 4, z=5, a=6, b=7)

A. 0 1 (2, 3, 4) 5 {'a': 6, 'b': 7}

B. 0 1 (2, 3, 4, z=5) {'a': 6, 'b': 7}

C. 0 1 (2, 3, 4) 2 {'z': 5, 'a': 6, 'b': 7}

D. 0 1 (2, 3, 4, 5) {'a': 6, 'b': 7}

anation: In the given function signature, x is the first positional argum he second positional argument with a default value of 1, *args collect emaining positional arguments into a tuple, z is a keyword-only argu a default value of 2, and **kwargs collects all the remaining keyword ments into a dictionary. When the function is called, the arguments ar ped to the corresponding parameters, and the values are printed as fied.

stion: 314

is the output of the following code?

unc(a, b=1, *args, c=2, **kwargs): (a, b, args, c, kwargs)

(5, 6, 7, 8, c=9, d=10, e=11)

6 (7, 8) 9 {'d': 10, 'e': 11}

6 (7, 8) 2 {'c': 9, 'd': 10, 'e': 11}

1 (7, 8) 9 {'c': 9, 'd': 10, 'e': 11}

Que

5
5
5

D. 5 6 (7, 8) 2 {'d': 10, 'e': 11}

Explanation: The function func() takes the following parameters:

a: a required positional argument

b: an optional positional argument with a default value of 1

*args: a tuple of any additional positional arguments

c: an optional keyword argument with a default value of 2

**kwargs: a dictionary of any additional keyword arguments

When func(5, 6, 7, 8, c=9, d=10, e=11) is called, the arguments are mapped as follows:

s the tuple (7, 8)

(overriding the default value of 2) gs is the dictionary {'d': 10, 'e': 11}

efore, the output is 5 6 (7, 8) 9 {'d': 10, 'e': 11}.

stion: 315

is the output of the following code?

_repr__(self): return f"A(x={self.x})"

b is 6 args i c is 9 kwar Ther

Que

class def _ self.x

A
1

Answer: A Explanation:

The repr method in the A class returns a string representation of the object,

which is used when the object is printed. When print(a) is called, it calls the

repr method of the A class, which returns "A(x=1)".

Question: 316

What is the purpose of the iter and next

methods in a Python class?

To define the behavior of the for loop when iterating over the object.
define the behavior of the len() function when used with the object. define the behavior of the next() function when used with the object

wer: A
anation: The __iter__ and __next__ methods in a Python class are use e the behavior of the for loop when iterating over the object, allowing sed as an iterator.

stion: 317
is the output of the following code?

unc(x, y): return x + y

(func(2, 3) * func(3, 4))
To define the behavior of the in operator when used with the object.
To
To .

Que

25
49
70
77

Explanation: The func(2, 3) call returns 5, and the func(3, 4) call returns 7. The expression func(2, 3) * func(3, 4) then evaluates to 5 * 7 = 35.

Question: 318

What is the purpose of the init.py file in a Python package?

It is used to define the package's entry point.
It is used to specify the package's dependencies.
It is used to initialize the package's global variables.
wer: D

anation: The init.py file in a Python package serves the purpose of def ackage's modules and subpackages. When a package is imported, the py file is executed, and it can be used to perform various initialization
such as setting up the package structure, importing necessary modul ing package-level functions and variables.

ther options are incorrect:

he entry point of a Python package is typically defined in the setup.py he init.py file.
ackage dependencies are usually specified in the setup.py file or in a rements.txt file, not in the init.py file.
he init.py file can be used to initialize package-level variables, but thi ts primary purpose.

stion: 319
It is used to define the package's modules and subpackages. Ans

T file,
not t
P
requi
T s is

Que

What is the output of the following code?

except ZeroDivisionError: print("ZeroDivisionError caught") else:

print("No exception occurred") finally:

print("Executing the finally block")

caug The e The f Que What

a = [ b = a c = a

A. [2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4, 5]

B. [2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4, 5]

C. [2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]

D. [2, 3, 4] [1, 2, 3, 4] [1, 2, 3, 4, 5, 1, 2, 3, 4]

Answer: A Explanation:

b = a[1:4] creates a new list containing the elements at indices 1, 2, and 3 (2, 3,

4) from the original list a.

c = a[:4] creates a new list containing the elements at indices 0, 1, 2, and 3 (1, 2, 3, 4) from the original list a.

stion: 321

is the output of the following code?

_init__(self): r().__init__()

(b.x, b.y, b.z) 2 3

d = a[:] creates a new list that is a copy of the original list a.

Que

class def _ self.x self.y

class def _ supe self.z

1
2
A
1 2

Explanation: The B class inherits from the A class, so it has access to the x and

y attributes defined in the A class. In the init

method of the B class,

super(). init () is called, which initializes the x and y attributes. The B class also defines its own z attribute, which is then printed along with x and y.

Question: 322

What is the output of the following code?

def func(a, b): try:

pt ZeroDivisionError: ("Error: Division by zero")

("Division successful") (10, 2)

0, Error: Division by zero

0, Division successful, Error: Division by zero ivision successful, Error: Division by zero rror: Division by zero, Division successful

anation: The first call to func(10, 2) divides 10 by 2, which is success the output is "5.0" followed by "Division successful". The second call t (10, 0) divides 10 by 0, which raises a ZeroDivisionError, so the outp

or: Division by zero".

c = a / b print(c) exce print else: print

5.
5.
D
E

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