
Best and/or fastest way to create lists in python
In python, as far as I know, there are at least 3 to 4 ways to create and initialize lists of a given size: Simple loop with append: my_list = [] for i in range(50): my_list.append(0) Simple ...
python - How do I create a list with numbers between two values ...
How do I create a list of numbers between two values? For example, a list between 11 and 16: [11, 12, 13, 14, 15, 16]
Creating a list of integers in Python - Stack Overflow
Aug 19, 2021 · Is it possible to create a list of integers with a single line of code, without using any third-party libraries? I tried with the syntax: lst = list(int(1234)) or the syntax: lst = list(int(1,2,3,...
Create an empty list with certain size in Python - Stack Overflow
How do I create an empty list that can hold 10 elements? After that, I want to assign values in that list. For example: xs = list() for i in range(0, 9): xs[i] = i However, that gives IndexError:
How do I return dictionary keys as a list in Python?
With Python 2.7, I can get dictionary keys, values, or items as a list:
Create list of single item repeated N times - Stack Overflow
Aug 11, 2010 · 827 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, without using a …
Create a list with initial capacity in Python - Stack Overflow
98 Python lists have no built-in pre-allocation. If you really need to make a list, and need to avoid the overhead of appending (and you should verify that you do), you can do this:
python - how to create a list of lists - Stack Overflow
Sep 6, 2012 · In order to create a list of lists you will have firstly to store your data, array, or other type of variable into a list. Then, create a new empty list and append to it the lists that you just created.
python - How to create a list of objects? - Stack Overflow
Jul 5, 2010 · How do I go about creating a list of objects (class instances) in Python? Or is this a result of bad design? I need this cause I have different objects and I need to handle them at a later stage, s...
python - How to create a list of a range with incremental step? - Stack ...
How to create a list of a range with incremental step? Asked 9 years, 1 month ago Modified 6 years, 5 months ago Viewed 33k times