How do I concatenate two lists in Python? - Stack Overflow
Python >= 3.5 alternative: [*l1, *l2] Another alternative has been introduced via the acceptance of PEP 448 which deserves mentioning. The PEP, titled Additional Unpacking Generalizations, …
slice - How slicing in Python works - Stack Overflow
Python slicing is a computationally fast way to methodically access parts of your data. In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it …
python - What does list [x::y] do? - Stack Overflow
Jan 27, 2012 · What does list [x::y] do? [duplicate] Asked 13 years, 9 months ago Modified 8 years, 5 months ago Viewed 120k times
Python: list of lists - Stack Overflow
First, I strongly recommend that you rename your variable list to something else. list is the name of the built-in list constructor, and you're hiding its normal function. I will rename list to a in the …
What is the difference between list[1] and list[1:] in Python?
Oct 5, 2012 · By using a : colon in the list index, you are asking for a slice, which is always another list. In Python you can assign values to both an individual item in a list, and to a slice …
python - How do I convert all of the items in a list to floats? - Stack ...
How can I collect the results of a repeated calculation in a list, dictionary etc. (or make a copy of a list with each element modified)? (3 answers)
python - How do I clone a list so that it doesn't change …
4147 new_list = my_list doesn't actually create a second list. The assignment just copies the reference to the list, not the actual list, so both new_list and my_list refer to the same list after …
Python list vs. array – when to use? - Stack Overflow
The list is the part of python's syntax so it doesn't need to be declared whereas you have to declare the array before using it. You can store values of different data-types in a list …
What is the difference between Python's list methods append and …
Oct 31, 2008 · 676 What is the difference between the list methods append and extend? .append() adds its argument as a single element to the end of a list. The length of the list itself …
python - How do I list all files of a directory? - Stack Overflow
Jul 9, 2010 · How can I list all files of a directory in Python and add them to a list?