In Python, is it better to use list comprehensions or for-each loops?
Which of the following is better to use and why?
list-comprehension
Why results of map() and list comprehension are different?
The following test fails:
python list comprehensions; compressing a list of lists?
guys. I’m trying to find the most elegant solution to a problem and wondered if python has anything built-in for what I’m trying to do.
How to return a subset of a list that matches a condition
Let’s say I have a list of ints: listOfNumbers = range(100) And I want to return a list of the elements that meet a certain condition, say: def meetsCondition(element): return bool(element != 0 and element % 7 == 0) What’s a Pythonic way to return a sub-list of element in a list for which meetsCondition(element) … Read more
Python list comprehension – want to avoid repeated evaluation
I have a list comprehension which approximates to:
Add an element in each dictionary of a list (list comprehension)
I have a list of dictionaries, and want to add a key for each element of this list.
I tried:
Using while in list comprehension or generator expressions
I can use if and for in list comprehensions/generator expressions as
Why is one class variable not defined in list comprehension but another is?
I just read the answer to this question: Accessing class variables from a list comprehension in the class definition
Is it possible to access current object while doing list/dict comprehension in Python?
Trying to think of a one-liner to achieve the following ( summing all the values of a key) :