Write a function reverse_string that will take a string as an input and return the reverse of that string as its output. (For example, if the input were 'apple' the function woudl return 'elppa' Note that there are multiple ways in which to approach this. One possible approach would use the logic laid out in this pseudocode: # define function with input # generate empty string # start counter at the length of the input string # while the counter is more than zero # add the letter at index into the input string starting at end of input str ing to growing string # decrease counter by 1 # return string