by python

Problem 1: A. Write a function revStr() that takes a string as an input parameter and then returns the reverse of that string. Main would ask the user for a string, calls the function and then prints the returned string. This version must use slicing to achieve its goal. B. Write another version that would use a for loop and not slicing. Problem 2: Similar to problem 1, write a function randStr() that takes a string as an input and outputs a string of the same length with the same characters but randomly arranged