擅长:python、mysql、java
<p>您需要在外部for/while循环内创建一个临时列表,您可以在内部for/while循环内填充该列表。</p>
<p>首先:</p>
<pre><code>>>> for j in range(20):
... temp=[]
... for i in range(10):
... temp.append(0)
... array1.append(temp)
...
>>> array1
</code></pre>
<p>第二:</p>
<pre><code>>>> count=0
>>> array3=[]
>>> while count < 20:
... temp=[]
... count_inner=0
... count+=1
... while count_inner< 10:
... temp.append(0)
... count_inner+=1
... array3.append(temp)
>>> array3
</code></pre>
<p>在while循环检查条件下,创建21 X 11矩阵。</p>