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 …

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 …

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 …

Jun 29, 2022 · There are many ways, a simple one would be to pass a list that will be mutated by the function, see update. To make it more general, you need a way to flatten your sequence, …

For combinations of a specific length, see Get all (n-choose-k) combinations of length n. Please use that question to close duplicates instead where appropriate. When closing questions about …

I have a list of variable length and am trying to find a way to test if the list item currently being evaluated is the longest string contained in the list. And I am using Python 2.6.1 For example:

May 23, 2012 · How do I find how many rows and columns are in a 2d array? For example, Input = ([[1, 2], [3, 4], [5, 6]])` should be displayed as 3 rows and 2 columns.

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?

Closed 2 years ago. For example, files, in Python, are iterable - they iterate over the lines in the file. I want to count the number of lines. One quick way is to do this:

How do I get the number of elements in a list in jinja2 template? For example, in Python: