擅长:python、mysql、java
<p>您可以将代码压缩如下:</p>
<pre><code>from itertools import product
for name, ab in product(range(1, 4), ['A', 'B']):
with open('Name{}_Total_{}.csv'.format(name, ab), 'a') as merged_file:
for stuff in range(1, 4):
with open('/Name{}_Stuff{}_{}.csv'.format(name, stuff, ab), 'r') as f_input:
merged_file.write(f_input.read())
</code></pre>
<p><a href="https://docs.python.org/2/library/itertools.html#itertools.product" rel="nofollow noreferrer">^{<cd1>}</a>是编写嵌套for循环的另一种方法。尝试添加一些<code>print</code>语句,看看它是如何工作的。你知道吗</p>