Mar 6, 2025 · Learn how to convert a list to a set in Python using the set() function. Remove duplicates and store unique elements for faster lookups and data manipulation.

Jul 18, 2022 · To add the elements of a list to a set, use update. From https://docs.python.org/2/library/sets.html. E.g. If you instead want to add the entire list as a single element to the set, you can't because lists aren't hashable. You could instead add a …

Nov 27, 2016 · my_set = set(my_list) or, in Python 3, my_set = {*my_list} to create a set from a list. Conversely, you can also do. my_list = list(my_set) or, in Python 3, my_list = [*my_set] to create a list from a set. Just note that the order of the elements in a list is generally lost when converting the list to a set since a set is inherently unordered.

Learn how to convert a list to a set in Python using set () and unpacking methods with examples. Handle duplicates and achieve unique elements.

May 15, 2021 · There are many approaches to doing this. 1. Using set () Function. This approach is one of the simplest methods of converting a list into a set. All you need is to use the set () constructor and pass the list as an argument. Syntax: set(list). Created a list having few elements.

May 30, 2024 · You can convert a list to a set in python using many ways, for example, by using the set(), for loop, set comprehension, and dict.fromkeys() functions. In this article, I will explain how to convert a list to a set in python by using all these methods with examples.

Mar 21, 2012 · On CPython 3.6+ unique = list(dict.fromkeys([1, 2, 1]).keys()). This works because dict s preserve insertion order now. A set is an unordered data structure, so it does not preserve the insertion order. This depends on your requirements.

Sep 15, 2023 · The simplest and most straightforward method to convert a list to a set in Python is by using the set() function. The set() function takes an iterable, such as a list, as an argument and returns a set containing all the unique elements from the iterable.

Feb 24, 2021 · You can use python set () function to convert list to set.It is simplest way to convert list to set. As Set does not allow duplicates, when you convert list to set, all duplicates will be removed in the set. Let’s understand with the help of example. Output: As you can see, set starts with open curly braces and ends with close with braces.

May 24, 2020 · Do you have a list but you want to convert it to a Python set? No problem! Use the set(...) constructor and pass the list object as an argument. For example, if you have a list of strings friends, you can convert it to a set using the call set(friends).