Final answer:
The mood in O. Henry's short story, 'The Gift of the Magi', changes from anticipation and hope to bittersweet reflection and ultimately warmth and love.
Step-by-step explanation:
The mood in O. Henry's short story, The Gift of the Magi, changes from the beginning to the end. At the beginning of the story, the mood is one of anticipation and hope as Della and Jim prepare for Christmas.
However, as the story progresses and Della and Jim realize the sacrifices they have made for each other, the mood becomes bittersweet and reflective.
The ending, where Della and Jim exchange their gifts, leaves the reader with a sense of warmth and love, despite the hardships they face.