Answer: Refactoring
Explanation: Refactoring is a technique applied on an existing body of code. Code refactoring is used to restructure or alter the internal structure, arrangement of a code block without making any changes to the output or external content of the code. Refactoring is aimed at arrangement and restructuring of code to make it simpler, cleaner code which is readable and easily understood by other programmers without adding or subtracting the initial internal functions of the code.
