Web Reference: Global variables can be used by everyone, both inside of functions and outside. Create a variable outside of a function, and use it inside the function. If you create a variable with the same name inside a function, this variable will be local, and can only be used inside the function. This tutorial will guide you through accessing and modifying global variables in Python functions using the global keyword and the globals() function. You’ll also learn to manage scope and avoid potential conflicts between local and global variables. You can think of Python global variables as "module" variables - and as such they are much more useful than the traditional "global variables" from C. A global variable is actually defined in a module's __dict__ and can be accessed from outside that module as a module attribute.
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