Home
Question Bank
Exams
Verify

Start Free →

Browse Exams
Practice Questions
Verify Certificate

Start Free Exam →

🎓

Welcome Back

Log in to access your certificates

or continue with email

Email or Username

Password

Create Account

Full Name

Email Address

Password

Confirm Password

Reset Password

Enter your email to receive a password reset link

Email

Check your email for reset link

Home
Python Professional
Question

What is a Python decorator?

Python Professional Hard

Python Professional — Hard

What is a Python decorator?

Explanation

A decorator is a design pattern in Python that allows a user to add new functionality to an existing object without modifying its structure. Decorators are usually called before the function they decorate.

Ready to go further?

Start full exam Practice more questions

Related questions

Which of the following correctly describes the behavior of `__slots__` in a Python class?
What is the purpose of __class_getitem__ in Python and how does it enable generic type hints?
What is the purpose of `weakref.ref()` in Python?
Which of the following correctly uses `contextlib.suppress`?
What happens when `__iter__` returns `self` in a class?
What is the purpose of `__init_subclass__` in Python 3.6+?

🌐 Domain + Hosting

Domains from $0.99 + Free Privacy

✓ Free WHOIS Guard

✓ 24/7 Support

Best price guaranteed

★★★★★ 4.6/5 on Trustpilot | Over 11M happy customers | Domains from $0.99

Related questions

Which of the following correctly describes the behavior of `__slots__` in a Python class?
What is the purpose of __class_getitem__ in Python and how does it enable generic type hints?
What is the purpose of `weakref.ref()` in Python?
Which of the following correctly uses `contextlib.suppress`?
What happens when `__iter__` returns `self` in a class?
What is the purpose of `__init_subclass__` in Python 3.6+?
What does the following code output? from itertools import groupby data = [('a', 1), ('a', 2), ('b', 3), ('a', 4)] for key, group in groupby(data, key=lambda x: x[0]): print(key, list(group))
What does the following pattern with __enter__ returning self enable? class Resource: def __enter__(self): return self def __exit__(self, *args): self.close() return False def close(self): pass with Resource() as r: print(r is not None)
What does `itertools.chain(*iterables)` do?
What does the following code output? class MyInt(int): def __new__(cls, value): return super().__new__(cls, value * 2) x = MyInt(5) print(x, type(x))

🎬 AI Video Maker

Create Videos 10x Faster

AI-powered video creation for everyone. No experience needed.

✓ 5000+ Templates

✓ AI Voiceover

✓ Stock Media Library

✓ One-Click Editing

Forever plan available

No credit card required

★★★★★ 4.6/5 on G2

The fastest way to practice for any certification exam and prove your skills with verifiable certificates.

Platform

Account

Get Started Free Settings

Legal

Terms of Service

© 2026 SkillCertify.org — All rights reserved. Built for learners worldwide 🌍