In this exercise, you'll write a procedure called
the name indicates, this procedure performs the operation
A - B.
In this exercise, you'll rewrite the
Subtract procedure as a
function. As in the previous exercise, this function performs the
A - B and returns the result.
In this exercise, you'll write a function that compares two values and
returns a flag (
Boolean value) indicating whether the values are
equal (flag is
True) or not (flag is