Python 3.6

Write a recursive function that displays a string reversely on the console using the following header: def reverseDisplay(value): For example, reverseDisplay("abcd'') displays dcba. Write a test program that prompts the user to enter a string and displays its reversal. Rewrite the above problem using a helper function to pass the substring for the high index to the function. The helper function header is: def reverseDisplayHelper(s, high)