Python strings functionally operate the same as Python lists, which are basically C arrays (see the Lists section). Unlike C arrays, characters within a string can be accessed both forward and backward. Frontward, a string starts off with a position of 0 and the character desired is found through an offset value (how far to move from the beginning of the string). However, you also can find this character by using a negative offset value from the end of the string. The following screenshot briefly demonstrates this:
String indexing
Line 30 creates a string variable, and then line 31 requests the characters at position ...
