What is the difference between a hashmap and a dictionary in Python?
An example of an AI chatbot conversation about hashmap vs dictionary in Python.
What is the difference between a hashmap and a dictionary in Python?
In Python, a dictionary is implemented as a hashmap. They both store key-value pairs, but dictionaries are more optimized for Python.
Are there any performance differences between them?
Since Python's dictionary is a hashmap, performance is generally similar. However, dictionaries have additional features like ordering.
Can I use a list as a key in a dictionary?
No, lists are mutable and cannot be used as keys. You can use tuples instead, as they are immutable.
What about the memory usage of dictionaries?
Dictionaries can use more memory than other data structures due to their dynamic resizing and overhead for maintaining keys.
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