Q1: Write a program that take input string from the user and prints the reverse string. (Hint: Use DUP Q2: Write a program that initializes an array with 8 characters and then finds and displays the number of vowels in the array. Q3: Write a program that initializes a 3x3 2D array with integers and then finds and displays the sum of the elements in the array. [1] [2] [3] [4] [5] [6] [7] [8] [9]