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Python Institute PCPP-32-101 Exam Syllabus Topics:

Section	Weight	Objectives
GUI Programming	20%	- Graphical user interfaces with Tkinter 1. User interaction 2. Widgets and layouts 3. Application structure 4. Event handling
Advanced Object-Oriented Programming	25%	- Object-oriented concepts 1. Class and instance attributes 2. Encapsulation and abstraction 3. Inheritance and polymorphism 4. Method overriding and extension
Multithreading and Concurrency	10%	- Concurrent programming 1. Thread creation and management 2. Synchronization mechanisms 3. Concurrency considerations 4. Thread communication
Network Programming	20%	- Communication and networking 1. Socket programming 2. Protocols and data exchange 3. Client-server communication 4. Network services
Python Standard Library and Best Practices	10%	- Advanced Python development 1. Code organization 2. Error handling and debugging 3. Professional programming practices 4. Using standard library modules
File Processing and Serialization	15%	- Data storage and transfer 1. JSON processing 2. Persistent data management 3. Pickle serialization 4. CSV handling

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Python Institute PCPP1 - Certified Professional in Python Programming 1 Sample Questions (Q12-Q17):

NEW QUESTION # 12
The following snippet represents one of the OOP pillars Which one is that?

A. Serialization
B. Inheritance
C. Polymorphism
D. Encapsulation

Answer: D

Explanation:
Explanation
The given code snippet demonstrates the concept of encapsulation in object-oriented programming.
Encapsulation refers to the practice of keeping the internal state and behavior of an object hidden from the outside world and providing a public interface for interacting with the object. In the given code snippet, the __init__ and get_balance methods provide a public interface for interacting with instances of the BankAccount class, while the __balance attribute is kept hidden from the outside world by using a double underscore prefix.

NEW QUESTION # 13
Select the true statements about the sqlite3 module. (Select two answers.)

A. The execute method allows you to perform several queries at once
B. The fetchone method returns None when no rows are available
C. The fetchalt method returns None when no rows are available
D. The execute method is provided by the Cursor class

Answer: B,D

Explanation:
C). The execute method is provided by the Cursor class
This statement is true because the execute method is one of the methods of the Cursor class in the sqlite3 module. The Cursor class represents an object that can execute SQL statements and fetch results from a database connection. The execute method takes an SQL query as an argument and executes it against the database. For example, cur = conn.cursor (); cur.execute ("SELECT * FROM table") creates and executes a cursor object that selects all rows from a table.
D). The fetchone method returns None when no rows are available
This statement is true because the fetchone method is another method of the Cursor class in the sqlite3 module. The fetchone method fetches the next row of a query result set and returns it as a single tuple or None if no more rows are available. For example, row = cur.fetchone () fetches and returns one row from the cursor object or None if there are no more rows.

NEW QUESTION # 14
Analyze the following snippet and select the statement that best describes it.

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

Answer: A

Explanation:
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 # 15
Select the true statements related to PEP 8 programming recommendations for code writing. (Select two answers:)

A. You should use the not ... is operator (e.g. if not spam is None:), rather than the is not operator (e.g.if spam is notNone:), to increase readability.
B. You should make object type comparisons using the ismstanceQ method (e.g. if isinstance (obj, int) :) instead of comparing types directly (eg if type(obj) is type(i)).
C. You should write code in a way that favors the CPython implementation over PyPy, Cython. and Jython.
D. You should not write string literals that rely on significant trailing whitespaces as they may be visually indistinguishable, and certain editors may trim them

Answer: B,D

Explanation:
Explanation
The two true statements related to PEP 8 programming recommendations for code writing are Option B and Option D.
Option B is true because PEP 8 recommends making object type comparisons using the isinstance() method instead of comparing types directly 1.
Option D is true because PEP 8 recommends not writing string literals that rely on significant trailing whitespaces as they may be visually indistinguishable, and certain editors may trim them 1.

NEW QUESTION # 16
What is wrong with the following snippet?
class A:
def run(self):
print("A is running")
class B(A):
def run(self):
print("B is running")
class C(A, B):
def fly(self):
print("C is flying")
c = C()

A. Nothing. The code is fine.
B. There is no run() method defined for the C class.
C. It causes MRO inconsistency.
D. There are no __init__() methods - each class should implement this method.

Answer: C

Explanation:
The issue is method resolution order, commonly called MRO. In Python multiple inheritance, the interpreter must build a consistent linear inheritance path for the class. Here, B already inherits from A, meaning B must appear before A in the resolution order. However, class C(A, B) asks Python to resolve A before B. These two requirements conflict, so Python cannot create a valid MRO for class C.
This results in a TypeError related to inconsistent method resolution order. The absence of an
__init__() method is not a problem because Python supplies a default initializer. Also, C can inherit run() if the inheritance order is valid.

NEW QUESTION # 17
......

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