How do I deduplicate lists in Python in a memory-efficient way?

In Python, you can deduplicate lists in a memory-efficient way by utilizing a combination of built-in data structures like sets and dictionary comprehensions. This approach ensures that duplicates are removed while keeping the original order of elements intact.

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Learn how to efficiently remove duplicates from a list in Python while maintaining the order of elements, using techniques like sets and dictionary comprehensions.
def deduplicate_list(original_list): seen = set() return [x for x in original_list if not (x in seen or seen.add(x))] # Example usage my_list = [1, 2, 2, 3, 4, 4, 5] deduplicated_list = deduplicate_list(my_list) print(deduplicated_list) # Output: [1, 2, 3, 4, 5]

python deduplicate lists memory-efficient data structures

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