**题目：**时间函数举例4。
if __name__ == '__main__':
import time
import random
play_it = input('do you want to play it.(\'y\' or \'n\')')
while play_it == 'y':
c = input('input a character:\n')
i = random.randint(0,2**32) % 100
print ('please input number you guess:\n')
start = time.clock()
a = time.time()
guess = int(input('input your guess:\n'))
while guess != i:
if guess > i:
print('please input a little smaller')
guess = int(input('input your guess:\n'))
else:
print('please input a little bigger')
guess = int(input('input your guess:\n'))
end = time.clock()
b = time.time()
var = (end - start) / 18.2
print (var)
if var < 15:
print ('you are very clever!')
elif var < 25:
print ('you are normal!')
else:
print ('you are stupid!')
print ('Congradulations')
print ('The number you guess is %d' % i)
play_it = input('do you want to play it.')
