Exam Topics PCPP-32-101 Pdf - PCPP-32-101 Reliable Test Blueprint

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Python Institute PCPP-32-101 Exam Syllabus Topics:

Section	Objectives
Topic 1: Advanced Object-Oriented Programming	- Metaprogramming basics 1. Decorators and class decorators 2. Introspection techniques - Class design and advanced inheritance 1. Multiple inheritance and MRO 2. Abstract classes and interfaces
Topic 2: GUI Programming	- Tkinter fundamentals 1. Widgets and layout management 2. Event handling
Topic 3: Python Standard Library and Best Practices	- File and data processing 1. Working with files and directories 2. Serialization (JSON, CSV) - Testing and debugging 1. Debugging techniques 2. Unit testing with unittest/pytest concepts
Topic 4: Network Programming and Communication	- Web communication basics 1. Data exchange formats 2. HTTP requests and APIs

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Exam Topics PCPP-32-101 Pdf | Python Institute PCPP-32-101 Reliable Test Blueprint: PCPP1 - Certified Professional in Python Programming 1 Latest Released

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Python Institute PCPP1 - Certified Professional in Python Programming 1 Sample Questions (Q69-Q74):

NEW QUESTION # 69
Which of the following statements related to :memory: are true?
(Select two answers.)

A. :memory: is a special name for loading a database from a file to the RAM.
B. You can use :memory: to delete a specific database that resides in the RAM.
C. :memory: is a special name for creating a temporary database in the RAM.
D. You can use :memory: to establish a database connection.

Answer: C,D

Explanation:
The correct answers are C and D. In Python's sqlite3 module, the string ':memory:' is passed to sqlite3.
connect() to create an in-memory SQLite database. This establishes a valid database connection, but the database exists only in RAM and normally disappears when the connection is closed. It is useful for testing, temporary storage, fast operations, and examples where no persistent database file is required.
Option A is wrong because :memory: does not load an existing file-based database into memory. Option B is also incorrect because it is not a deletion command or database management operation. It is simply a special database name recognized by SQLite to create a temporary in-memory database.

NEW QUESTION # 70
Select the true statement about PEP 8 recommendations related to line breaks and binary operators.

A. It is recommended that you use line breaks before binary operators to improve code readability.
B. It is permissible to use line breaks before or after a binary operator as long as the convention is consistent locally However, for new code it is recommended that break lines should be used only after binary operators.
C. There is no specific PEP 8 recommendation related to using line breaks with binary operators.
D. It is recommended that you use line breaks after binary operators to improve code readability.

Answer: A

Explanation:
Explanation
According to PEP 8, Python's official style guide, line breaks before binary operators produce more readable code, especially in code blocks with long expressions. This is stated in several sources (1,2,6,8) and is a widely accepted convention.
References:
* https://www.python.org/dev/peps/pep-0008/#should-a-line-break-before-or-after-a-binary-operator
* https://stackoverflow.com/questions/30614124/are-long-lines-broken-up-before-or-after-binary-operators-
* https://www.quora.com/What-is-PEP-8-Python
* https://www.techbeamers.com/python-tutorial-pep-8/
* https://www.section.io/engineering-education/python-coding-conventions-guidelines-for-python-programm
* https://towardsdatascience.com/a-step-in-pep8-style-guide-improving-the-readability-of-the-code-8114fd4
* https://www.codementor.io/@rishikeshdhokare/python-coding-style-best-practices-that-every-python-prog
* https://www.dataschool.io/python-pep8-tips-and-tricks/

NEW QUESTION # 71
If purple can be obtained from mixing red and blue, which color codes represent the two ingredients? Select two answers)

A. #FF0000
B. #0000FF
C. #000000
D. #FFFFFF

Answer: A,B

Explanation:
If purple can be obtained from mixing red and blue, which color codes represent the two ingredients? Select two answers) A). #FFFFFF B). #0000FF C). #FF0000 D). #000000

NEW QUESTION # 72
Which function or operator should you use to obtain the answer True or False to the question: "Do two variables refer to the same object?"

A. The isinstanceO function
B. The is operator
C. The = operator
D. The id () function

Answer: B

Explanation:
Explanation
To test whether two variables refer to the same object in memory, you should use the is operator.
The is operator returns True if the two variables point to the same object in memory, and False otherwise.
For example:
a = [1, 2, 3]
b = a
c = [1, 2, 3]
print(a is b) # True
print(a is c) # False
In this example, a and b refer to the same list object in memory, so a is b returns True. On the other hand, a and c refer to two separate list objects with the same values, so a is c returns False.

NEW QUESTION # 73
Select the true statements about the sqirte3 module. (Select two answers.)

A. The sqhte3 module does not support transactions.
B. The special name memory is used to create a database in RAM.
C. The fetchall method returns an empty list when no rows are available
D. The sqlite3 module provides an interface compliant with the DB-API 2.0.

Answer: B,D

Explanation:
Explanation
The sqlite3 module in python provides an interface compliant to the DB-API 2.0. Thus, it follows a standard performance metric that allows for consistency in database programming with python.
The special name 'memory' is used to create a database in RAM using the sqlite3 module. Thus, when you use it as the name of the database file while opening a connection, it creates a temporary database that exists only in memory.

NEW QUESTION # 74
......

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