os.popen返回值

os.popen() 返回的是一个文件对象，可以通过该对象的 read() 方法读取到执行后的结果集。所以，os.popen() 的返回值不是返回码，而是执行后的结果。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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