Python function global variables?

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I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)

x = "somevalue"

def func_A ():
   global x
   # Do things to x
   return x

def func_B():
   x = func_A()
   # Do things
   return x

func_A()
func_B()

Does the x that the second function uses have the same value of the global copy of x that func_a uses and modifies? When calling the functions after definition, does order matter?

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