What makes an instance of a class usable as a decorator?

Inheriting from the Function class

Using the @classmethod decorator

Defining the __init__ method only

Given the following code, which decorator is applied first? @decorator_a @decorator_b def my_func(): pass

Both are applied simultaneously

What does defining the __call__ method in a class do?

It makes instances of the class callable

It initializes the class attributes

It deletes the instance from memory

It converts the class to a string

Python InstitutePCPP1 - Certified Professional Python Programmer 1

Domain 1Objective 4

PCPP-32-101 1.4 Understand Extended Function Argument Syntax and Use Decorators PCPP-32-1 Practice Questions (Page 2)

Part of the Advanced Object-Oriented Programming domain, which accounts for 35% of the PCPP-32-1 exam. Python Institute does not publish an official question count, but from its 65-minute exam (~25–45 total, ~9–16 in this domain), expect 1–1 from this objective — we provide 30 practice questions to prepare you well beyond it. (estimate)

30questions here

6free pages

14concepts

35%of the exam

Questions 6–10

6foundation · easy
What makes an instance of a class usable as a decorator?
Select an answer first
7foundation · easy
Given the following code, which decorator is applied first? @decorator_a @decorator_b def my_func(): pass
Select an answer first
8foundation · easy
What does defining the __call__ method in a class do?
Select an answer first
9foundation · easy
When multiple decorators are applied to a function, in what order are they applied?
Select an answer first
10application · medium
A developer has two decorators: @log which prints 'LOG' before calling the function, and @timeit which prints 'TIME' before calling the function. They apply both to a function as shown: @log @timeit def process(): print('PROCESS') process() What is the output?
Select an answer first

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PCPP-32-101 1.4 Understand Extended Function Argument Syntax and Use Decorators PCPP-32-1 Practice Questions (Page 2)

Questions 6–10

What makes an instance of a class usable as a decorator?

Given the following code, which decorator is applied first? @decorator_a @decorator_b def my_func(): pass

What does defining the __call__ method in a class do?

When multiple decorators are applied to a function, in what order are they applied?

A developer has two decorators: @log which prints 'LOG' before calling the function, and @timeit which prints 'TIME' before calling the function. They apply both to a function as shown: @log @timeit def process(): print('PROCESS') process() What is the output?

Keep studying — Advanced Object-Oriented Programming

What does defining the call method in a class do?