标签：练习题 randint random 99 start num time print 除法
# 99乘法练习
import random
import time
num=0
start=time.time()
for x in range(10):
a=random.randint(1,9)
b=random.randint(1,9)
print('请小余同学回答：',a,'x',b,'等于多少？')
c=input()
if int(c)==(a*b):
print('回答正确，你太棒了！')
num+=1
else:
print('阿欧！')
end=time.time()
print('耗时：',end-start)
print('你一共做对了',num,'做错了',10-num)
# 99除法练习
import random
import time
num=0
start=time.time()
for x in range(10):
a=random.randint(1,9)
b=random.randint(1,9)
print('请小余同学回答：',a*b,'÷',b,'等于多少？')
c=input()
if int(c)==a:
print('回答正确，你太棒了！')
num+=1
else:
print('阿欧！')
end=time.time()
print('耗时：',end-start)
print('你一共做对了',num,'做错了',10-num)
标签：练习题,
randint,
random,
99,
start,
num,
time,
print,
除法
From： https://www.cnblogs.com/duoba/p/17177328.html