Resource leaks, especially memory leaks, can lead to a program gradually using more limited resources until it eventually crashes or becomes unresponsive.
In Python, memory is usually freed automatically when there are no references left, but you still may encounter issues if memory isn't released as expected.
Using a memory profiler such as Memray can help to identify memory leaks, although the effectiveness may vary depending on the application's runtime environment.
A well-structured test suite can often help in spotting memory leaks, especially if it has comprehensive coverage of the application's functionality.
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