Write a program that uses while loops and performs the following
Prompts the user to input 2 integers firstNum and secondNum // Easy
Output all odd numbers between firstNum and secondNum // No idea how to start that.
Outputs the sum of all even numbers between firstNum and secondNum
Output the numbers and their squares between 1 and 10
Output the sum of the square of the Odd Numbers between firstNum and secondNum
Output ALL Uppercase letters