pd9.py

# This the first decorator
def decon_first(fn):
    # The new function the decorator returns
    def wrapper():
        # Insertion of some code before and after
        print('This is the first decorator')
        return fn() 
    return wrapper

# This the second decorator
def decon_second(fn):
    # The new function the decorator returns
    def wrapper():
        # Insertion of some code before and after
        print('This is the second decorator')
        return fn() 
    return wrapper

@decon_first
@decon_second

def orig_nested():
    return 'Nested Decorators'

orig_nested()