Given a String, returns the substring starting at beginning and ending at end.
Results in a List of the elements of str.
Whether v is in fact a str.
Results in the name text of keyword.
Results in a str with the same elements as list.
Results in a and b concatenated, in that order. Like (++), but for Strings.
Given a seperator sep (a String) and a List of Strings, results in a String where all elements are connected (in order) by sep.
Given an integral value, results in its (Arabic) String representation.
Given an (Arabic) String representation, results in its integral value.