Answer:
well indention is not mandatory.
Explanation:
Indention is not mandatory programmer indent their code so that he convey his message easily to reader. Reader can easily understand their code like functions and loops.
The subgenre of the given poem is BALLAD.
Danny Reever is a poem by Rudyard Kipling. In 1890, it was one of the first of the Barrack-Room ballads. It is about a British soldier who is being executed in India. The execution was in full view of his regiment. The poem is composed of the remarks made by the spectators as they watch the soldier being hanged.
I think that number 3 is the answer you're looking for.
