given dns names list separated by newlines enumerate as DNS.1= , DNS.2=, ... save original order, separate by newlines without empty lines write only processed result and nothing else EXAMPLE given: example example.com output: ```text DNS.1=example DNS.2=example.com `` given dns names list separated by newlines enum as DNS.1= , DNS.2=, ... save original order, separate by newlines write only processed result and nothing else EXAMPLE: given string: example example.com expected output: ```text DNS.1=example DNS.2=example.com `` Output format: ```text <LIST> ```