What is the difference between pygame sprite and surface?

Question

Check the official documents as follows: Surface objects are objects that represent a rectangular 2D image. The Sprite class is intended to be used as a base class for the different types of objects in the game.

They all have image and rect attributes.The difference is that sprites can be grouped?

Answer 1

They all have image and rect attributes [...]

No this is wrong. A pygame.Surface has not rect attribute. pygame.Surface.get_rect.get_rect() returns a rectangle with the size of the Surface object, that always starts at (0, 0) since a Surface object has no position. The rectangle returned is just a rectangle the size of the surface area starting at (0, 0).

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In short words: A pygame.Surface has no location, it's just a bitmap. A pygame.sprite.Sprite is a object that consists of a Surface object and pygame.Rect object. An instance of a Sprite describes the position of an image in the game window.