擅长:python、mysql、java
<p>要将原始嵌套数组解压到单个数组中,请执行以下操作:</p>
<pre><code>a = [['UES9151GS5', 'SQU6245R', 'DEN', 'FRA', '1420564460', '1049\n'],
['SJD8775RZ4', 'SQU6245R', 'DEN', 'FRA', '1420564460', '1049\n'],
['MXU9187YC7', 'MOO1786A', 'MAD', 'FRA', '1420563408', '184\n'],
['PUD8209OG3', 'XXQ4064B', 'JFK', 'FRA', '1420563917', '802\n']]
b = []
for row in a:
b += row
</code></pre>
<p>结果是:</p>
<pre><code>b = ['UES9151GS5', 'SQU6245R', 'DEN', 'FRA', '1420564460', '1049\n', 'SJD8775RZ4', 'SQU6245R', 'DEN', 'FRA', '1420564460', '1049\n', 'MXU9187YC7', 'MOO1786A', 'MAD', 'FRA', '1420563408', '184\n', 'PUD8209OG3', 'XXQ4064B', 'JFK', 'FRA', '1420563917', '802\n']
</code></pre>
<p>如果要打印在每个包含“\n”的字符串后面带有换行符的单个数组,则:</p>
<pre><code>print(*b)
</code></pre>
<p>其中splat(*)表示可拆箱。<em>(见<a href="https://docs.python.org/3/tutorial/controlflow.html#tut-unpacking-arguments" rel="nofollow noreferrer">https://docs.python.org/3/tutorial/controlflow.html#tut-unpacking-arguments</a>)</em></p>