Hello, I am stuck on this C-Programming question. Can anyone help me solve it?

Write a code to calculate the size of variables. You should calculate it for 5 variables that you user gives them. These variables should be : 1) a char 2)an int 3)a float 4)a double 5)a string

Example:

a ='A';

b =120;

c =123.05;

d =1222.90;

str[] ="Hello";

Result:

Size of a: 1

Size of b: 4

Size of c: 4

Size of d: 8

Size of str: 6