Strings can be considered index-based collections of smaller strings or characters, each one referenced by its position in the string. Furthermore, Python contains the notion of "slice-notation ...

Slicing a Python list. Lists can be divided up into new lists, a process called slicing. ... For strings, the default is lexical order; for numbers, it’s ascending values.

Like strings, lists provide sequential storage through an index offset and access to single or consecutive elements through slices. Strings consist only of characters and are immutable (cannot change ...

Finally, note that we used Python raw strings to construct our regex. This is because the syntax of a regex, since it uses backslashes, can conflict with the way ordinary strings are escaped in ...