def main():
  print GLOBAL_MODULE_VARIABLE1
  print GLOBAL_MODULE_VARIABLE2

  # What are they in those functions?
  function1()
  function2()
def main():
  function1()
  explicit_override_function()
  function1()
def explicit_override_function():
  module1.GLOBAL_MODULE_VARIABLE1 = "explictly_overriding_global_module_variable1"
  function1()