Add statements to the following pseudo code that creates a post-test loop which validates the input data: Write "Enter a negative number: " Input Number Redo Exercise 21 using a pre-test loop.  Let...

Add statements to the following pseudo code that creates a post-test loop which validates the input data:

Write "Enter a negative number: "

Input Number

Redo Exercise 21 using a pre-test loop.

 Let Num1 = 2 and Num2 = 3.2. Give the value of each of the following

expressions:

a. Int(Num2 − Num1)

b. Floor(Num1 − Num2)