Example of decorator in pyhon

from time import time

def timer(any_function):
    def count_time():
        start = time()
        any_function()
        stop = time()
        print("%.15f"%(stop-start),'seconds')
        return    return count_time

@timerdef hello():
    print("Hello World")
    return
@timerdef another_function():
    for item in [1,2,3,4,5,6,7,8,9]:
        print("%d "%item,end='')
    print()
    return
hello()
another_function()