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 …

Jun 29, 2022 · How to get length of nested list in Python Asked 3 years, 6 months ago Modified 3 years, 6 months ago Viewed 2k times

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 …

You can't. A list is a mutable, variable length structure. If you need a fixed-length structure, use a tuple instead:

Apr 14, 2013 · 7 How do you find the length of a multi-dimensional list? I've come up with a way myself, but is this the only way to find the number of values in a multi-dimensional list?

In your code, you have a list of lines (strings). not a list of lists. And python will happily count empty lines... Did you check to make sure you don't have any empty lines?

May 12, 2009 · In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?

Oct 23, 2015 · list_of_lengths = (lambda x:[len(i) for i in x])(lst) Longer explanation (from the inner brackets, moving outwards) We loop through our list and get the corresponding length value of …

May 16, 2012 · Actually if you know the length of the list it will be faster to create the "empty list" first of length n and then assign the values by index than it would to append each additional item.

But if you really want a custom list, having a cap on five elements, you can override the built-in list and it's methods, you would do something like this, for all it's methods.