import time

def timeit(func, arg):
    t1 = time.ticks_us()
    func(arg)
    t2 = time.ticks_us()
    return time.ticks_diff(t2, t1) / 1e6

def bm_001AdditionA(n):
    for idx in range(n):
        if idx % 50 == 0:
            a = 1.0
            b = 1.1
            c = 3.456789e-4
            d = 5.678901e4
            f = 1.5
        a += 1.01
        b = a + b
        c = c + a + a + a
        d = a + b + 0.9999
        e = a + b + c + d
    return (a, b, c, d, e)

print('Start..', end='')
for _ in range(5):
    timeit(bm_001AdditionA, 50000)
    time.sleep(0.1)                                            # including this leads to a hang
    # print('.', end="")                                       # but including this runs through
print('Finish')