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Home Backend Development Python Tutorial 为什么python代码有时候在命令行下和Python Shell中执行的结果不一样呢 ?

为什么python代码有时候在命令行下和Python Shell中执行的结果不一样呢 ?

Jun 06, 2016 pm 04:22 PM

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首先,如上面 @柯豪 的答案所说,Shell的行为并不完全和Python代码一致

>>> for i in range(5):
...     i
... 
0
1
2
3
4
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这个例子非常有意思,无人邀请,我来答一下吧。

使用不熟悉的函数和library是危险的。
使用不熟悉的函数和library是危险的。
使用不熟悉的函数和library是危险的。
重要的话说三遍。

首先,先看这个例子,只是把helloworld.cpp 略加改动,题主觉得这个代码应当输出什么结果?
<span class="cp">#include <cstdio></span>
<span class="cp">#include <iostream></span>

<span class="k">using</span> <span class="k">namespace</span> <span class="n">std</span><span class="p">;</span>

<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span>
<span class="p">{</span>
    <span class="n">cout</span><span class="o"><<</span><span class="n">printf</span><span class="p">(</span><span class="s">"asdf"</span><span class="p">)</span><span class="o"><<</span><span class="n">endl</span><span class="p">;</span>
<span class="p">}</span>
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为什么python代码有时候在命令行下和Python Shell中执行的结果不一样呢 ?主要是因为这东西变了.
而c库中的标准的输出没改变.
具体可以看这个文章 eli.thegreenplace.net/2
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