What are some common mistakes when using iterators in programming?
Some common mistakes include not handling the end of the iterator properly, modifying the collection while iterating, and forgetting to reset the iterator.
Can you explain why modifying the collection during iteration is a problem?
Modifying the collection can lead to unexpected behavior, such as skipping elements or encountering errors, because the iterator's state may become inconsistent.
What should I do instead if I need to modify the collection?
You can create a copy of the collection and iterate over that, or collect the changes you want to make and apply them after the iteration.
Are there any best practices for using iterators?
Yes, always check for the end of the iterator, avoid modifying the collection during iteration, and consider using built-in functions that handle iteration safely.
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