A Python set lets you create collections of objects where each object is unique to the collection, ... which you can use to search for the presence of a character in a string or an object in a list.

Traditionally, Python strings are built out of bytes—that is, you can think of a Python string as a sequence of bytes. If those bytes happen to align with characters, as in ASCII, you're in great ...

Python provides the ability to slice strings. ... It starts at the place in the string set by x and selects the next character, set by y: fname.subString(1,2) al: str() ...