title: What happens if you delete an object that holds another object?
body: <p>If I have</p>
  <pre><code>class MyClass:
      def __init__(self, object):
          self.object = object
  some_other_object = SomeOtherObject()
  myclass = MyClass(some_other_object)
  del myclass
  </code></pre>
  <p>what happens to the <code>some_other_object</code>? Does it get deleted too?</p>