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29 sty 2017 · Before you use the global variable acc_name in your function for reading, it must be first initialized somewhere: either outside of the function or inside it. If type == "accounts", then the variable would be initialized, but if it is not, it wouldn't be.
22 sie 2012 · You use the global keyword when you need to reference a global variable, not when you define it: import os, sys, logging... my_logger = None def init(): global my_logger if my_logger is None: print 'Logger needs to be initialized'
31 sty 2024 · The “global name is not defined” error occurs when you try to use a variable or function that has not been defined within the current scope. In other words, Python does not recognize the name you are trying to use because it has not been declared or assigned a value.
12 lut 2024 · What does “global name is not defined” mean? When you see the error message “global name is not defined”, it means that Python cannot find a variable or function with the specified name in the current scope. This can happen for several reasons, including: The variable or function has not been defined at all.
Learn how to fix the 'global name is not defined' error in Python. This common error occurs when you try to access a variable that is not defined in the current scope. This article provides a detailed explanation of the error and shows you how to fix it in three easy steps.
In this tutorial, you'll learn how to use global variables in Python functions using the global keyword or the built-in globals() function. You'll also learn a few strategies to avoid relying on global variables because they can lead to code that's difficult to understand, debug, and maintain.
8 kwi 2024 · To solve the Python "NameError: name is not defined", make sure: You aren't accessing a variable that doesn't exist. You aren't accessing a variable, function or class before it is declared. You haven't misspelled the name of a variable, a function or a class (names are case-sensitive).
