content: sub Main()
      print("function in same file: " + sameFileFunc())
      print("function in different file: " + differentFileFunc())
      print("function with dependency: " + dependentFunc())
  end sub
  
  function sameFileFunc()
      return "from sameFileFunc()"
  end function
  
  function dependencyFunc()
      return "from dependencyFunc()"
  end function
  
  