Looking at Python-Dev and StackOverflow, Python's ternary operator equivalent is: a if condition else b Looking at PEP-572 and StackOverflow, I understand what Walrus operator is: := Now I'm tryi...

Is there a correct way to have two walrus operators in 1 if statement? if (three:= i%3==0) and (five:= i%5 ==0): arr.append("FizzBuzz") elif three: arr.append("Fizz") elif fiv...

I wanted to avoid double evaluation of a mean in a dict comprehension, and I tried using the walrus operator: >>> dic = {"A": [45,58,75], "B": [55,82,80,92], "C&qu...

I'm trying to understand the walrus assignment operator. Classic while loop breaks when condition is reassigned to False within the loop. x = True while x: print('hello') x = False Why doesn't t...

I have the following expression: >>> a = 3 >>> b = 2 >>> a == (a := b) False Now, a == 2 after the operation, as expected. And the result is what I would want, i.e., com...

This is the code I write right now: a = 1 if (a := a + 1) == 2: print(a) I am wondering if something like this exists: a = 1 if (a +:= 1) == 2: print(a)

I am trying to type hint a walrus operator expression, i.e. while (var: int := some_func()): ... How can I do this?

I have a simple function that should output a prefix based on a pattern or None if it does not match. Trying to do a walrus it does not seem to work. Any idea? import re def get_prefix(name): if ...

Why can't I use the walrus operator := to assign to an attribute? It works when assigning to a local variable: my_eyes = ["left", "right"] if saved_eye := my_eyes.index("le...

I just learned that the new walrus operator (:=) can't be used to set instance attributes, it's supposedly invalid syntax (raises a SyntaxError). Why is this? (And can you provide a link to officia...

PEP 572 introduces the assignement operator ("walrus operator"). The following code works, and outputs empty def say_empty(): return '' if a := say_empty(): print("not empty"...