What are strong references in Python?
Strong references in Python are the default type of references. They keep an object in memory as long as there is at least one strong reference to it.
Can you give me an example of a strong reference?
Sure! If you create a list and assign it to a variable, that variable is a strong reference to the list object. For example: my_list = [1, 2, 3]
.
What happens if I delete the reference?
If you delete the reference using del my_list
, the list object is no longer accessible, and if there are no other references to it, it will be garbage collected.
Are there any situations where strong references can cause issues?
Yes, strong references can lead to memory leaks if objects reference each other, preventing them from being garbage collected.
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