擅长:python、mysql、java
<p>{<cd1>}石斑鱼配方非常适合({a1}):</p>
<pre><code>In [1]: from itertools import zip_longest
In [2]: def grouper(iterable, n, fillvalue=None):
...: "Collect data into fixed-length chunks or blocks"
...: # grouper('ABCDEFG', 3, 'x') --> ABC DEF Gxx"
...: args = [iter(iterable)] * n
...: return zip_longest(*args, fillvalue=fillvalue)
...:
In [3]: list(grouper('UGGUGUUAUUAAUGGUUU', 3))
Out[3]:
[('U', 'G', 'G'),
('U', 'G', 'U'),
('U', 'A', 'U'),
('U', 'A', 'A'),
('U', 'G', 'G'),
('U', 'U', 'U')]
</code></pre>