In Python, to deep copy lists while preserving their nested structure, you can use the `copy` module's `deepcopy` function. This is especially useful when dealing with lists containing other lists or mutable objects. Below is an example of how to accomplish this using type hints.
from copy import deepcopy
from typing import List
def deep_copy_list(original: List[int]) -> List[int]:
return deepcopy(original)
# Example usage
original_list = [1, 2, [3, 4]]
copied_list = deep_copy_list(original_list)
print("Original List:", original_list)
print("Copied List:", copied_list)
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