How to detect when a rectangular object, image or sprite is clicked

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If you’ve a sprite (my_sprite) and you want to verify if the mouse is on the sprite, then you’ve to get the .rect attribute of the pygame.sprite.Sprite object and to test if the mouse is in the rectangular area by .collidepoint():

mouse_pos = pygame.mouse.get_pos()
if my_sprite.rect.collidepoint(mouse_pos):
    # [...]

The Sprites in a pygame.sprite.Group can iterate through. So the test can be done in a loop:

mouse_pos = pygame.mouse.get_pos()
for sprite in mice:
    if sprite.rect.collidepoint(mouse_pos):
        # [...]

Or get a list of the Sprites within the Group, where the mouse is on it. If the Sprites are not overlapping, then the list will contain 0 or 1 element:

mouse_pos = pygame.mouse.get_pos()
clicked_list = [sprite for sprite in mice if sprite.rect.collidepoint(mouse_pos)]

if any(clicked_list):
    clicked_sprite = clicked_list[0]
    # [...]

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