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| Section | Objectives |
|---|---|
| Topic 1: Python Standard Library and Best Practices | - File and data processing
|
| Topic 2: GUI Programming | - Tkinter fundamentals
|
| Topic 3: Network Programming and Communication | - Web communication basics
|
| Topic 4: Advanced Object-Oriented Programming | - Metaprogramming basics
|
>> PCPP-32-101 Current Exam Content <<
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NEW QUESTION # 35
What is true about a parameter named cls?
Answer: D
Explanation:
The correct answer is C because cls is the conventional first parameter name used in class methods. A class method is defined with the @classmethod decorator, and Python automatically passes the class itself as the first argument when the method is called. This is similar to how self represents the instance in instance methods, but cls represents the class object, not an individual object. Static methods are different because they receive neither self nor cls automatically; they behave like regular functions placed inside a class namespace. Option A is incorrect because a class instance is conventionally referenced by self, not cls. Option D is unrelated to Python's method model.
NEW QUESTION # 36
What does the term deserialization mean? Select the best answer.
Answer: A
Explanation:
Explanation
answer A. Deserialization is the process of converting data that has been serialized or encoded in a specific format, back into its original form as an object or a data structure in memory. In Python, this typically involves creating Python objects based on sequences of bytes that have been serialized using a protocol such as JSON, Pickle, or YAML.
For example, if you have a Python object my_obj and you want to serialize it to a JSON string, you might do something like this:
importjson
serialized_obj = json.dumps(my_obj)
To deserialize the JSON string back into a Python object, you would use the json.loads() method:
deserialized_obj = json.loads(serialized_obj)
This would convert the JSON string back into its original Python object form.
NEW QUESTION # 37
A property of the event object called widget is in fact:
Answer: D
Explanation:
The correct answer is A. In Tkinter event handling, an event object contains information about the event that occurred. One of its useful attributes is widget, which refers to the actual widget object that caused or received the event. This is not merely the widget's name as text; it is a reference to the widget instance itself. That means the event handler can inspect or manipulate the widget directly, for example by reading its configuration or changing its displayed value. Option B and option D are incorrect because they describe a name, not an object reference. Option C is unrelated, since run() is not part of Tkinter event object semantics.
NEW QUESTION # 38
Select the true statement related to PEP 257.
Answer: C
Explanation:
Explanation
The true statement related to PEP 257 is Option B. According to PEP 257, string literals occurring elsewhere in Python code may also act as documentation. They are not recognized by the Python bytecode compiler and are not accessible as runtime object attributes (i.e. not assigned to doc), but two types of extra docstrings may be extracted by software tools: String literals occurring immediately after a simple assignment at the top level of a module, class, or init method are called "attribute docstrings". String literals occurring immediately after another docstring are called "additional docstrings"1.
NEW QUESTION # 39
Select the true statements about the sqirte3 module. (Select two answers.)
Answer: A,B
Explanation:
A). 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.
B). 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.
Reference: Official Python documentation on sqlite3: https://docs.python.org/3/library/sqlite3.html
NEW QUESTION # 40
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