An un-maintainable code is one of the candidates that negatively affect overall software maintainability and hence adding to maintenance cost and time.
Search the internet for the term “un-maintainable code” and write down one page article on the following topic:
“Guidelines to avoid un-maintainable code”
1) Article should be formatted precisely without any grammatical mistake.
2) In case if you need to quote any stuff from other source, then provide proper reference of this source.