How to create animations in Photoshop?

Animation is a program in photoshop that is use to make animation. Amimation is a way of showing a figure move from left to right or up and down. To make a animation you have to have some frames.Some of the animation can be put in different amounts of frame per second and it can be like 15 to 30 frames. Animation also has a rapid display of sequence of images of 2-D or 3-D. There are differents kind of animation, like computer animation, 3D animation and 2D animation. Computer animation it has a encompasses a variety of techniques creat digitally on a computer. 2D includes automated computerized versions.3D are digital models manipulated by an animator.In my opinion Animation is difficult to use because it looks difficult. I would like to try to make an animation but the computer animation because it looks more fun and interesting.