remove None value from a list without removing the 0 value
This was my source I started with. My List L = [0, 23, 234, 89, None, 0, 35, 9] When I run this … Read more
list-comprehension
Double Iteration in List Comprehension
In Python you can have multiple iterators in a list comprehension, like [(x,y) for x in a for y in b] for some … Read more
Flattening a shallow list in Python [duplicate]
This question already has answers here: How to make a flat list out of a list of lists? (31 answers) Closed 5 years … Read more
Why is there no tuple comprehension in Python?
As we all know, there’s list comprehension, like [i for i in [1, 2, 3, 4]] and there is dictionary comprehension, like {i:j … Read more
Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)? Without list comprehensions, you can use something like this: l … Read more
Generator expressions vs. list comprehensions
When should you use generator expressions and when should you use list comprehensions in Python? # Generator expression (x*2 for x in range(256)) … Read more
How to find all occurrences of an element in a list
index() will give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a … Read more
if else in a list comprehension [duplicate]
This question already has answers here: if/else in a list comprehension (12 answers) Closed 5 years ago. I have a list l: l … Read more
Create list of single item repeated N times
I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n times … Read more
List comprehension vs map
Is there a reason to prefer using map() over list comprehension or vice versa? Is either of them generally more efficient or considered … Read more