import time

def decorator_time(originalFunction):
    def wrapper(*args,**kwargs):
        start = time.time()
        originalFunction(*args,**kwargs)
        print(f"Execution time of {originalFunction.__name__} function is ",time.time()-start)
    return wrapper



@decorator_time
def sum():
    result = 0
    for r in range(0,10000000):
        result+=r
    return result

# start = time.time()
sum()
# print("Execution time of sum function is ",time.time()-start)


@decorator_time
def multiplication(num):
    result = 1
    for r in range(0,100000):
        result*=num
    return result
# start = time.time()
multiplication(2)
# print("Execution time of multiplication function is ",time.time()-start)

@decorator_time
def subtraction(num):
    result = 1
    for r in range(0,100000000):
        result-=num
    return result

# start = time.time()
subtraction(2)
# print("Execution time of subtraction function is ",time.time()-start)

@decorator_time
def division(num):
    result = 1
    for r in range(0,100000000):
        result-=num
    return result

# start = time.time()
division(2)
# print("Execution time of division function is ",time.time()-start)