import threading, time

def Return():
	print("Hi")

def Setup():
	for _ in range(10):
		time_before = time.time()
		Return()
		wait_delay = -time.time()
		
		delays = []
		
		while (time.time() - time_before) < (1/60):
			time.sleep(0)
		
		wait_delay += time.time()
		
		delays.append(wait_delay)
		
		print([1/t for t in delays])

threading.Thread(target=Setup).start()