You must use the global keyword to reference a global variable within the scope of a function.

Name: You must use the global keyword to reference a global variable within the scope of a function.
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The global keyword is used to indicate that a variable is a global variable, and it is needed to reference a global variable within the scope of a function. Without it, the function would create a local variable instead of accessing the global variable.

You Must Use the global Keyword to Reference a Global