What does colon equal (:=) in Python mean? - Stack Overflow What does the := operand mean, more specifically for Python? Can someone explain how to read this snippet of code? node := root, cost = 0 frontier := priority queue containing node only explored :=
What does the at (@) symbol do in Python? - Stack Overflow What does the @ symbol do in Python?What's the syntactic or practical benefit of having decorators here, instead of (for example) just calling something like app route(" ", hello) immediately after defining hello, or even defining hello as a lambda in the arguments to app route? (The latter example is common with Node js http Server and Express routes )
How do I declare custom exceptions in modern Python? How do I declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exc
What does [:-1] mean do in python? - Stack Overflow Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f readline()[:-1] Have searched on here on S O and on Google but to no avail