擅长:python、mysql、java
<p>使用<code>zip</code>将每个行-列坐标与<code>numbers</code>中的一个项配对:</p>
<pre><code>def num(self):
rc_gen = ((r, c) for r in range(3) for c in range(3))
for (r, c), num in zip(rc_gen, numbers):
cmd = lambda num=num: print(num)
self.b = ttk.Button(self, text=num, command=cmd).grid(row=r, column=c, pady=5)
</code></pre>