Nov 11, 2009 · Explanation Everything in Python is an object, including lists. All objects have a header of some sort in the C implementation. Lists and other similar builtin objects with a …

You can't. A list is a mutable, variable length structure. If you need a fixed-length structure, use a tuple instead: Tuple[float, float, float, float, float, float, float, float, float, float] Or better still, use …

Get lengths of a list in a jinja2 template Asked 16 years, 1 month ago Modified 2 years, 2 months ago Viewed 516k times

Dec 16, 2011 · If you're dealing with really large amount of data and your problem doesn't need variable length of list or multiple data types within the list it is better to use numpy arrays.

How do I split a list of arbitrary length into equal sized chunks? See also: How to iterate over a list in chunks. To chunk strings, see Split string every nth character?.

Jun 23, 2020 · 1 The problem with removing items from a list in a loop is, the indexes change every time you remove an item, meaning the loop will skip a bunch of items. With NumPy …

Apr 16, 2024 · 825 I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n times (where n = length of the list). How do I create the lists, …

For combinations of all possible lengths, see Get all possible (2^N) combinations of a list’s elements, of any length . Note that this is not simply a matter of iterating over the possible …

Aug 4, 2014 · How do I generate permutations of length LEN given a list of N Items? Asked 13 years, 8 months ago Modified 4 years, 9 months ago Viewed 42k times

This avoids any extra allocation, unlike any solution that depends on creating and appending the list [value] * extra_length. The "extend" method first calls __length_hint__ on the iterator, and …