擅长:python、mysql、java
<pre><code>from operator import add, sub, mul
import random
ranNum1 = random.randint(0, 100)
ranNum2 = random.randint(0, 100)
ops = {'+': add, '-': sub, '*': mul}
op = random.choice(list(ops.keys()))
while True:
user_input = int(input('What is {0} {1} {2}?'.format(ranNum1, op, ranNum2)))
if user_input == ops.get(op)(ranNum1, ranNum2):
break
print('Incorrent!')
print('Correct!')
</code></pre>