What is the difference between immutable and mutable dictionaries in Python?
In Python, mutable dictionaries can be changed after creation, while immutable dictionaries cannot be modified.
Can you give me examples of both types?
Sure! A mutable dictionary is created using {}
or dict()
, while an immutable dictionary is created using types.MappingProxyType
.
What happens if I try to change an immutable dictionary?
Attempting to change an immutable dictionary will raise a TypeError
, as they do not support item assignment.
When should I use each type?
Use mutable dictionaries when you need to modify data frequently, and immutable dictionaries for fixed data that should not change.
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