擅长:python、mysql、java
<p>这是中奖彩票:</p>
<pre><code>def answer(xs):
negArr = 0
product = 1
for number in xs:
if number < 0:
negArr += 1
xs.sort()
if not xs:
return 0
if len(xs) == 1:
return xs[0]
while 0 in xs: xs.remove(0)
if negArr % 2 != 0:
xs.pop(negArr-1)
for x in xs:
product *= x
print(xs)
if len(xs) == 0:
return str(0)
else:
return str(product)
</code></pre>