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, generally …

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 is necessary to …

In general, if you're appending/extended an existing list, and you want to keep the reference to the same list (instead of making a new one), it's best to be explicit and stick with the append ()/extend () methods.

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 following. …

In Python 3, filter doesn't return a list, but a generator-like object. Finding the first occurrence If you only want the first thing that matches a condition (but you don't know what it is yet), it's fine to use a for …

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 the assignment. …

This converts my_list to a list of tuples (v,i) where v is every item of my list and i is the correspondent index, then it gets the tuple with the maximun value and with its associated index too:

13 There are several methods to convert string numbers in a list to integers. In Python 2.x you can use the function:

Sep 17, 2012 · For handling a few strings in separate variables, see How do I append one string to another in Python?. For the opposite process - creating a list from a string - see How do I split a …

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 "size" in Python, in …