title: Correct Use Of Global Variables In Python 3
body: <p>Which is the correct use of global variables in Python 3?:</p>
  
  <p>1) Stating <code>global VAR_NAME</code> once in the core script (not within a function) and then simply referring to the variable as <code>VAR_NAME</code> everywhere else</p>
  
  <p>2) Stating <code>global VAR_NAME</code> once within every function that uses the global variable and then simply referring to the variable as <code>VAR_NAME</code> for the rest of the function and within the core script itself</p>