The tone starts starts out lonely, like the author says, and turns to cheerful, as the author sees the daffodils.
The words "Fluttering" and "dancing" helped you determine that the author is happy, and the words "wandering" and "lonely" help you determine the beginning tone.
Hope this helps ya
What comes to my mind is a person who wants avenge something, whether a person or and item that they love. It usually has malice behind it.
Irony is the difference between what is being said and what is being meant.
English writer Anne Bradstreet used several instances of irony in her poems, mostly to mock society's assumptions as regards the role of women. For example:
"Who says my hand a needle better fits"
In the example above, Bradstreet refers to how society constrains women to do housework chores.