Python simple decorator

decorator.py

from functools import wraps


# Defining our custom decorator
def my_decorator(function):
    @wraps(function)
    def wrapper(a, b, c):
        print("wrapper running!")
        a += 1
        b += 2
        c += 3
        return function(a, b, c)

    return wrapper


# Using it to decorate a function
@my_decorator
def my_function(a, b, c):
    print("my_function running!")
    print(a, b, c)


my_function(a=1, b=2, c=3)

# wrapper running!
# my_function running!
# 2 4 6