Write a program that uses while loops to perform the following steps:
a. prompt the user to input two integers. the first number must be less than the second number.
b. output all the odd numbers between the first number and the second number.
c. output the sum of all the even numbers between the first number and the second number.
d. output all the numbers and their squares between 1 and 10.
e. output all the uppercase letters.