python - What does "list comprehension" and similar mean? How does …
I've seen a lot of confusion lately (on other SO questions and from coworkers) about how list comprehensions work. A wee bit of math education can help with why the syntax is like this, and …
python - if/else in a list comprehension - Stack Overflow
List comprehension where an if statement follows a for statement (case (2) above) is similar to the math notation to define a subset from a given set, so [x for x in iterable if m<x<n] is similar to {x ∈ iterable | …
python - How can I use list comprehensions to process a nested list ...
406 Here is how to convert nested for loop to nested list comprehension for your example:
python - List comprehension with if statement - Stack Overflow
Mar 18, 2013 · python if-statement list-comprehension edited Nov 29, 2017 at 20:50 Martijn Pieters 1.1m 326 4.2k 3.5k
python - if else in a list comprehension - Stack Overflow
Feb 2, 2013 · python list list-comprehension if-statement edited Mar 28, 2023 at 3:21 Dan D. 75.1k 15 111 129
List comprehension in Python, how to - Stack Overflow
Oct 1, 2013 · I am reading about Python and I want to do a problem with list comprehensions. The problem is simple: Write a program that gives the sum of the multiples of 3 and 5 before some n …
Is it possible to use 'else' in a list comprehension?
24 To use the else in list comprehensions in python programming you can try out the below snippet. This would resolve your problem, the snippet is tested on python 2.7 and python 3.5.
python - List comprehension list of lists - Stack Overflow
Feb 2, 2014 · I have a list of lists, and would like to use list comprehension to apply a function to each element in the list of lists, but when I do this, I end up with one long list rather than my list of lis...
Is it possible to add a where clause with list comprehension?
Jul 23, 2012 · Consider the following list comprehension [ (x,f(x)) for x in iterable if f(x) ] This filters the iterable based a condition f and returns the pairs of x,f(x). The problem with this approach is f(...
python - When to use a list comprehension vs a for loop - Stack Overflow
Mar 11, 2020 · If the list comprehension spans more than two lines, it is probably best to break it apart or rewrite as a plain old for loop. Use your best judgment: for Python as for English, there are no hard …