DEV Community

Explain Python decorator for kids🧒

Mahmoud EL-kariouny on March 09, 2025

Hey there! Today, I’m going to explain something really cool in Python called decorators. It might sound like a big word, but don’t worry it’s actu...

Read full post

Ramkumar M N • Mar 11

Hi Mahmoud EL-kariouny,
Good work.

Add py in your code tag for better readability and visibility, it will look like below.

# This is our "sticker" (decorator)
def say_hi(func):
    def new_toy():
        print("Hi!")
        func()  # The original toy still works
    return new_toy

# This is our toy (function)
@say_hi  # Slap the sticker on!
def talk():
    print("I’m a robot toy!")

# Play with the toy
talk()

Mahmoud EL-kariouny • Mar 11

Hi, Ramkumar

Thank you for your comment and suggestion.
Yes, it will be very helpful and cool 😎

But I don't know how to add py to my code😥🙄 because I know much in the mark down language

Ramkumar M N • Mar 12 • Edited

include space py after initial code marker, like
‘’’ py

Mahmoud EL-kariouny • Mar 12

Thank a lot bro 🤗, I updated the post
I hope you see it well now I learned new thing from you thank again 😎

Ramkumar M N • Mar 12

Hi Mahmoud EL-kariouny,
No problem, we're here to help each other.

Yes, it looks great now.

Regards,
Ram

Mahmoud EL-kariouny • Mar 12

Yes, we here to help each other Ram
Nice to meet you

Be safe
Mahmoud

Moses B • Mar 12

why not just call say_hi inside the talk() function, why use decorators? are there any special benefits?

Ang Han Wei • Mar 12

Calling say_hi() inside talk() works only once. If you require the feature in say_hi(), you need to repeat it in other functions. Decorators allow yoy to just define it once and use it repeatedly