擅长:python、mysql、java
<p>我假设:</p>
<pre><code>print(sys.getrefcount(foo1))
2
print(sys.getrefcount(foo2))
3
</code></pre>
<p>根据文件:</p>
<pre><code>sys.getrefcount(object)
Return the reference count of the object. The count returned is generally one higher than you might expect, because it includes the (temporary) reference as an argument to getrefcount().
</code></pre>
<p>通过您的命令:<code>foo2 = foo1.reshape(3,1)</code>您引用了对象1,因此这总共导致了3个引用</p>