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3 cards from this section. Quick, good the night before a test.
What happens to an object when its reference count reaches zero?
Think about what occurs when no variables point to an object.
What module do we use to check the size of an object?
It's a module that helps with system-specific functions.
What is reference counting primarily used for in Python?
Think about how Python keeps track of objects.
True or False: Circular references can cause issues in memory management because they prevent objects from being released.
Consider what happens when two friends won't let go of each other.
Write a Python snippet to demonstrate a circular reference and then use the gc module to cleanup the references.
Think about how to create circular references and why you need to call the collector.
Explain how you would profile memory usage in a Python application and the steps you would take if you identified a memory leak.
Consider profiling as a check-up for your application.
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