What is the main idea of the poem "anyone lived in a pretty how town"?

Answer:
LOL, I just did this yesterday!
Answer: The main idea of anyone lived in a pretty how town is that one day you will pass away and that its just a fact of life. One day whether you know it or not, you will die.
Explanation:
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Answer:
Part A: Anyone and noone lived a joyful life in sync, unlike the lives of the ordinary townspeople.
Part B: "when by now and tree by leaf/ she laughed his joy she cried his grief"
Explanation: took the test on k12