What are the differences between cell spacing and cell padding? | HTML Interview Questions

Cell padding is used for formatting purpose which is used to specify the space needed between the edges of the cells and also in the cell contents.
Cell spacing is one also used f formatting but there is a major difference between cell padding and cell spacing. It is as follows: Cell padding is used to set extra space which is used to separate cell walls from their contents. But in contrast cell spacing is used to set space between cells.