擅长:python、mysql、java
<p>在循环中初始化变量<code>code</code>,以便每次都重置它。应该是:</p>
<pre class="lang-py prettyprint-override"><code>import random
chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
quantity = int(input('How many codes do you want? '))
def create_code():
code = ''
for c in range(4):
code += random.choice(chars)
return code
for i in range(0, quantity):
print('Your code is', create_code())
</code></pre>