Question $2$: Write a Python program that simulates a voting system for a simple election. The program should: $[$CLO$-4]$ Ask the user to input the number of voters $($ensure this is a positive integer$).$ Prompt each voter to enter the ncandidate's nam they are voting for. The available candidates are "Alice,$$ "Bob,$$ and "Charlie.$$ Ensure that the user inputs a valid candidate name $($case insensitive$).$ If an invalid name is entered, prompt the user again. $$ After all votes are collected, display the total votes for each candidate and announce the winner.