variable-declaration

Python Variable Declaration

Python Variable Declaration Question: I want to clarify how variables are declared in Python. I have seen variable declaration as class writer: path = "" sometimes, there is no explicit declaration but just initialization using __init__: def __init__(self, name): self.name = name I understand the purpose of __init__, but is it advisable to declare variable …

Total answers: 6

Do variables have to be defined in Python before use?

Do variables have to be defined in Python before use? Question: Is Python much like PHP in that I can call a variable and if it doesn’t exist it will be created? Or I need to declare them? Asked By: antonpug || Source Answers: In PHP if you call a variable and it doesn’t exist, …

Total answers: 1

Is it possible only to declare a variable without assigning any value in Python?

Is it possible only to declare a variable without assigning any value in Python? Question: Is it possible to declare a variable in Python, like so?: var so that it initialized to None? It seems like Python allows this, but as soon as you access it, it crashes. Is this possible? If not, why? EDIT: …

Total answers: 15