Hi everybody. I'm experiencing problems with global variables in Sage. In particular, I noticed that if I create a global variable, that one is known everywhere and it's possible to call it everywhere. If I make an assignment to a variable with the same name of the global one, but inside a function in another file, it automatically creates a local variable and makes the global one unknown inside the function itself, but only outside it. My question is: is there a way to make Sage not creating a global variable but assigning directly the global one? Thanks a lot.
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