from random import randint

from time import time

n =10
s = 0

input("Press enter when you're ready...")

start_time = time()

for i in range(0, n):
	a = randint(2, 12)
	b = randint(2, 12)
	print("what's", a, "*", b, "?")
	c = int(input())

	if c == a*b:
		print("that's right")
		s = s + 1
	else:
		print("nope it is", a*b)
	print()

end_time = time()

p = s/n*100
p = round(p)
p = str(p) + '%'

total_time = end_time - start_time
time_per_question = total_time / n
time_per_question = round(time_per_question, 2)

print()
print("you got", s, "out of", n, "or", p)

print("you took", time_per_question, "seconds per question!!!")