擅长:python、mysql、java
<p>你可以这样做:</p>
<pre><code>codes = []
i = 0
while True:
try:
codes.append(int(input("Please input your Barcode {}: ".format(i))) * 3)
if i == 6: break
i += 1
except ValueError:
print("Something went wrong!")
print(codes)
</code></pre>
<p>在它周围添加一个try-catch语句,并尝试将您的输入转换为int。你知道吗</p>