A string is a sequence of characters. A string is written
by enclosing the characters with a doublequote ("). Some
special characters must be preceded by a backslash, these
include doublequote and backslash. The technique of marking
special characters are called escaping and backslash it self
is called an escape character.
Examples of literal strings:
"Hello world""This string has a \" in it""This character \\ is a slash"
