import time
def runtime(func):
    def wrapper(*args,**kwargs):
        start=time.perf_counter()
        func(*args,**kwargs)
        end =time.perf_counter()
        print(end -start)
    return wrapper
@runtime
def dubble_sort(L):
    for i in range(1,len(L)):
        for j in range(0,len(L)-i):
            if L[j]>L[j+1]:
                L[j],L[j+1]=L[j+1],L[j]
    return L

if __name__ == '__main__':
    array = [10, 17, 50, 7, 30, 24, 27, 45, 15, 5, 36, 21]
    (dubble_sort(array))