Question

why does the poet feel that the snake must be killed

Answer 1

The narrator was actually wanting to harm the snake with respect to the civilised education that the poet recieved. The poet listens to his voice of education and hits the snake with a wooden log.

For one moment, when the snake was leaving, he did not want the snake to return, so he threw a log at it although he immediately regretted doing that action.

In Sicily he was taught that the gold snakes were venomous. That is why he tried to harm it.

Answer 2

Because poet thought that the stick that he hurls toward the snake had ijured the the snake that led to the death of snake