Question: Given an input, output that input followed by a newline endlessly.

Input will be a string consisting only of printable ASCII characters (`0x20-0x7E`) and newlines (`0x0A`).

If input is length 0, endlessly output newlines.

This is [code-golf](/questions/tagged/code-golf "show questions tagged 'code-golf'") so fewest bytes **in each language** wins!

Answer: 
[Keg](https://github.com/JonoCode9374/Keg), `-pn`, 2 bytes
==========================================================

```
{⑩

```

[Try it online!](https://tio.run/##y05N//@/@tHElf//e6Tm5OT/1y3IAwA "Keg – Try It Online")

Forever, print the top of the stack with a newline without popping it.
[Python 3](https://docs.python.org/3/), 26 bytes
================================================

```python
a=input()
while 1:print(a)

```

[Try it online!](https://tio.run/##K6gsycjPM/7/P9E2M6@gtERDk6s8IzMnVcHQqqAoM69EI1Hz//88AA "Python 3 – Try It Online")

As simple as it gets.