`elif` in list comprehension conditionals
Can we use elif in list comprehension? Example : l = [1, 2, 3, 4, 5] for values in l: if values==1: print … Read more
list-comprehension
Creating a dictionary from a csv file?
I am trying to create a dictionary from a csv file. The first column of the csv file contains unique keys and the … Read more
Are list-comprehensions and functional functions faster than “for loops”?
In terms of performance in Python, is a list-comprehension, or functions like map(), filter() and reduce() faster than a for loop? Why, technically, … Read more
Accessing class variables from a list comprehension in the class definition
How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails … Read more
One-line list comprehension: if-else variants
It’s more about python list comprehension syntax. I’ve got a list comprehension that produces list of odd numbers of a given range: [x … Read more
Fastest way to convert an iterator to a list
Having an iterator object, is there something faster, better or more correct than a list comprehension to get a list of the objects … Read more
Is it possible to use ‘else’ in a list comprehension? [duplicate]
This question already has answers here: if/else in a list comprehension (12 answers) Closed 3 years ago. Here is the code I was … Read more
How to unzip a list of tuples into individual lists? [duplicate]
This question already has answers here: Closed 9 years ago. Possible Duplicate: A Transpose/Unzip Function in Python I have a list of tuples, … Read more
Python’s most efficient way to choose longest string in list?
I have a list of variable length and am trying to find a way to test if the list item currently being evaluated … Read more
List comprehension on a nested list?
I have this nested list: l = [[’40’, ’20’, ’10’, ’30’], [’20’, ’20’, ’20’, ’20’, ’20’, ’30’, ’20’], [’30’, ’20’, ’30’, ’50’, ’10’, … Read more