Furthermore, Python contains the notion of "slice-notation," meaning that the programmer can chose small sections of the string, called "substrings" to manipulate as well.

This makes sure that s [:i] + s [i:] is always equal to s. Slice indices have useful defaults; an omitted first index defaults to zero, an omitted second index defaults to the size of the string being ...

Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...