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Python Institute PCPP-32-101 Exam Syllabus Topics:

Section	Objectives
GUI Programming	- Tkinter fundamentals 1. Widgets and layout management 2. Event handling
Network Programming and Communication	- Web communication basics 1. Data exchange formats 2. HTTP requests and APIs
Advanced Object-Oriented Programming	- Class design and advanced inheritance 1. Multiple inheritance and MRO 2. Abstract classes and interfaces - Metaprogramming basics 1. Decorators and class decorators 2. Introspection techniques
Python Standard Library and Best Practices	- File and data processing 1. Serialization (JSON, CSV) 2. Working with files and directories - Testing and debugging 1. Unit testing with unittest/pytest concepts 2. Debugging techniques

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Python Institute PCPP1 - Certified Professional in Python Programming 1 Sample Questions (Q25-Q30):

NEW QUESTION # 25
What is true about the invocation of the cget () method?

A. It can be used to read widget attributes.
B. It can be used to set new values to widget attributes.
C. It has the same effect as the config () method.
D. It can be replaced with a dictionary-like access manner.

Answer: A

Explanation:
Explanation
The cget() method in Python is used to read the configuration options of a widget in Tkinter. It retrieves the value of a specified configuration option for a Tkinter widget. Hence, option A is the correct answer.

NEW QUESTION # 26
Analyze the following snippet and choose the best statement that describes it.
class Sword:
var1 = 'weapon'
def __init__(self):
self.name = 'Excalibur'
s1 = Sword()

A. The class variable value can be updated with the following code: cls.var1
B. The class variable value can be updated with the following code: Sword.var1
C. The snippet will cause a ValueError exception.
D. The snippet will cause an AttributeError exception.

Answer: B

Explanation:
The correct answer is D because var1 is a class variable defined directly inside the Sword class body.
Class variables belong to the class object itself and can be accessed or updated by qualifying them with the class name, such as Sword.var1 = 'blade'. The snippet does not raise an AttributeError or ValueError; creating s1 = Sword() correctly calls __init__() and assigns the instance attribute self.
name. Option C is not correct in this context because cls is only automatically available inside a class method when declared as the first parameter. Outside such a method, cls is just an undefined name unless explicitly assigned.

NEW QUESTION # 27
Select the true statement about composition

A. Composition is based on the has a relation: so it cannot be used together with inheritance.
B. Composition extends a class's capabilities by adding new components and modifying the existing ones.
C. Composition allows a class to be projected as a container of different classes
D. Composition is a concept that promotes code reusability while inheritance promotes encapsulation.

Answer: C

Explanation:
Composition is an object-oriented design concept that models a has-a relationship . In composition, a class known as composite contains an object of another class known as component . In other words, a composite class has a component of another class 1 .
B). Composition allows a class to be projected as a container of different classes.
Composition is a concept in Python that allows for building complex objects out of simpler objects, by aggregating one or more objects of another class as attributes. The objects that are aggregated are generally considered to be parts of the whole object, and the containing object is often viewed as a container for the smaller objects.
In composition, objects are combined in a way that allows for greater flexibility and modifiability than what inheritance can offer. With composition, it is possible to create new objects by combining existing objects, by using a container object to host other objects. By contrast, with inheritance, new objects extend the behavior of their parent classes, and are limited by that inheritance hierarchy.
References:
Official Python documentation on Composition: https://docs.python.org/3/tutorial/classes.html#composition GeeksforGeeks article on Composition vs Inheritance: https://www.geeksforgeeks.org/composition-vs- inheritance-python/ Real Python article on Composition and Inheritance: https://realpython.com/inheritance-composition-python/

NEW QUESTION # 28
Select the true statements related to PEP 8 programming recommendations for exception handling. (Select two answers.)

A. You should generally limit the use of a "bare" except: clause and, whenever possible, use specific exceptions instead.
B. You should generally use "bare" except: clauses, as they will not catch SystemExit and KeyboardInterrupt exceptions, making it more difficult to interrupt a program using keyboard shortcuts.
C. When designing exception hierarchies, you should focus on stating that a problem occurred, rather than programmatically trying to answer the question about what actually went wrong.
D. You should derive exceptions from the Exception class, rather than from the BaseException class.

Answer: A,D

Explanation:
The correct answers are C and D. Custom application exceptions should normally inherit from Exception, not directly from BaseException. BaseException is intended for system-exiting exceptions such as SystemExit, KeyboardInterrupt, and GeneratorExit, so deriving ordinary errors from it can interfere with normal control flow. PEP 8 also discourages broad or bare except: clauses because they catch too much and can hide programming errors or prevent expected interruption behavior. Specific exception handling is clearer, safer, and easier to debug. Option A reverses the intended guidance:
exception hierarchies should help code distinguish what went wrong programmatically. Option B is false because a bare except: can catch system-level exceptions, which is exactly why it should be avoided.

NEW QUESTION # 29
Analyze the following snippet and select the statement that best describes it.

A. The code is erroneous as the OwnMath class does not inherit from any Exception type class
B. The code is an example of implicitly chained exceptions.
C. The code is fine and the script execution is not interrupted by any exception.
D. The code is an example of explicitly chained exceptions.

Answer: D

Explanation:
In the given code snippet, an instance of OwnMath exception is raised with an explicitly specified __cause__ attribute that refers to the original exception ( ZeroDivisionError ). This is an example of explicitly chaining exceptions in Python.

NEW QUESTION # 30
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