Can you explain the difference between remove and discard in Python sets?
Sure! In Python sets, remove
will delete an element, but it raises a KeyError if the element is not found. On the other hand, discard
will also delete an element, but it does not raise an error if the element is missing.
Can you give me an example of both methods?
Of course! Here's an example:
my_set = {1, 2, 3}
my_set.remove(2) # my_set is now {1, 3}
my_set.discard(4) # my_set remains {1, 3} without error
What happens if I try to remove an element that doesn't exist?
If you try to remove an element that doesn't exist, you'll get a KeyError. For example, my_set.remove(4)
would raise an error since 4 is not in the set.
And with discard?
With discard
, if you try to discard an element that doesn't exist, it simply does nothing and does not raise an error.
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