code: def is_banner_dimensions(width, height):
          
          if width == height:
              return False
  
          if width > height:
              diff = float(width / height)
              if diff > 5:
                  return True
  
          if height > width:
              diff = float(height / width)
              if diff > 5:
                  return True
  
          return False
docs: \
          returns true if we think this is kind of a bannery dimension
          like 600 / 100 = 6 may be a fishy dimension for a good image