Answer:
The answer to this question is "comment".
Explanation:
In any programming, language comment plays the most important role. Comment are those whose task is to understand the code by the other programmer. In the programming language comments are two type single line(//code-explain or #code-explain) and multiple line(/*code-explain*/ or '''code-explain''' ) .Comments are not executable. It is used for understanding the code well. It can't be interpreter and compiler.