擅长:python、mysql、java
<p>关键字<code>self</code>使它们独立,就好像你在说,自身名称,属于<code>box()</code>类的当前实例:</p>
<pre><code>class box ():
def __init__ (self, name):
self.name = name
self.contents = []
def store (self, junk):
self.contents.append(junk)
def open (self):
return self.contents
</code></pre>