Quiz on Python Decorator

What is a decorator in Python?

Which symbol is used to apply a decorator in Python?

What is the output of this code?

def outer(func):
def inner():
print(“Before”)
func()
print(“After”)
return inner

@outer
def greet():
print(“Hello”)

greet()

Which concept is essential for creating decorators?

Can you apply multiple decorators to a single function?

What does the functools.wraps() decorator do?

Which module provides wraps() utility?

What is the output of this code?

def add_tag(func):
def wrapper():
return “<b>” + func() + “</b>”
return wrapper

@add_tag
def say():
return “Hi”

print(say())

Can decorators be used on class methods?

Which of the following is a built-in decorator in Python?

What happens if you forget to return the wrapper function from a decorator?

Can a decorator accept arguments itself?

What is a parameterized decorator?

What is the output?

def outer(func):
def inner(*args):
return func(*args).upper()
return inner

@outer
def greet(name):
return f”Hello {name}”

print(greet(“Alice”))

Which type of programming concept do decorators support?