def create_file_name(scale=1, invert=False, flip=False):
    """Helper function to dynamically create a file name
    
    Keyword arguments:
    scale  -- scale of the printed icon
    invert -- boolean to invert the binary symbols
    flip   -- boolean to flip icon 180 degrees
    """
    return ('icon_scaled_x' 
        + str(scale) 
        + ('_inverted' if invert == True else '') 
        + ('_flipped' if flip == True else '') 
        + '.txt')