兑换码生成器：免费获取最新、有效的兑换码

```python

import random

import string

def generate_exchange_codes(num_codes, code_length=8):

定义兑换码的字符集

characters = string.ascii_letters + string.digits

codes = []

for _ in range(num_codes):

code = ''.join(random.choice(characters) for _ in range(code_length))

codes.append(code)

return codes

exchange_codes = generate_exchange_codes(10)

print(exchange_codes)

```