Must be in Python 3:

Indexing:

First ask the user for a string. ( 1 pt )

Enter any String Hello world 

Write a loop to output the characters at each index from 0 to the end of the string. Output the index and the character. ( 2 pts )

Enter any string Hello 0 H 1 e 2 l 3 l 4 o 

Next, using negative indexes start at the end of the string and go to the beginning. Output the index and character ( 2 pts )

-1 o -2 l -3 l -4 e -5 H