
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 - 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
Feb 2, 2013 · python list list-comprehension if-statement edited Mar 28, 2023 at 3:21 Dan D. 75.1k 15 111 129
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 - Create a dictionary with comprehension - Stack Overflow
54 Create a dictionary with list comprehension in Python I like the Python list comprehension syntax. Can it be used to create dictionaries too? For example, by iterating over pairs of keys and values:
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...
python - How do I make a flat list out of a list of lists? - Stack Overflow
If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list …
python - List comprehension vs. lambda + filter - Stack Overflow
I find the list comprehension much clearer than filter + lambda, but use whichever you find easier. There are two things that may slow down your use of filter. The first is the function call overhead: as soon …
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.