擅长:python、mysql、java
<p>请注意,从Python3.6.3(2017年9月)开始,本例的错误消息将更改为建议使用Python3拼写:</p>
<pre><code>>>> print >> sys.stderr
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unsupported operand type(s) for >>:
'builtin_function_or_method' and '_io.TextIOWrapper'.
Did you mean "print(<message>, file=<output_stream>)"?
</code></pre>
<p>(添加了显式换行符以避免侧滚-实际错误消息仅在终端窗口的宽度处换行)</p>