Write a program that uses while loops to perform the following steps: a) Prompt the user to input two integers: firstNum and secondNum (firstNum
must be less than secondNum).
b) Output all odd numbers between firstNum and secondNum.
c) Output the sum of all even numbers between firstNum and secondNum.
d) Output the numbers and their squares between 1 and 10.
e) Output the sum of the square of the odd numbers between firstNum and
secondNum.
f) Output all uppercase letters.