Question

Describe the constants and variables

Answer 1

Constants are those entities of the program whose values are always fixed and cannot change. Eg. pi

Variables are those entities of the program whose values can be changed during the execution of program.

Answer 2

constant = which does not changed due to other quantity for ex. 1,2,3,4,5,6,7,8,9, all are constant #. # variable = which can be changed with other for ex . y = X+3. here X and y are variable because they can take any value