In this task, you need to replace a letter in the sentence with another given letter.

Ex Input:
Sentence: 'a man on a skateboard jumping down a short flight of stairs'. Replace the letter 'o' with 'j' in the sentence.

Ex Output:
a man jn a skatebjard jumping djwn a shjrt flight jf stairs


Ex Input:
Sentence: 'the bus is trying to navigate though the london traffic'. Replace the letter 'a' with 'l' in the sentence.

Ex Output:
the bus is trying to nlviglte though the london trlffic


Ex Input:
Sentence: 'a bowl of fruit preserves and sliced bananas with nuts'. Replace the letter 'i' with 'm' in the sentence.

Ex Output:

a bowl of frumt preserves and slmced bananas wmth nuts