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

Ex Input:
Sentence: 'a man loads bananas high on top of a banana truck'. Replace the letter 'f' with 'c' in the sentence.

Ex Output:
a man loads bananas high on top oc a banana truck


Ex Input:
Sentence: 'several older electronics, including cellular phones and a palm pilot with a  broken screen next to each other in white box enclosure'. Replace the letter 'u' with 't' in the sentence.

Ex Output:
several older electronics, incltding celltlar phones and a palm pilot with a  broken screen next to each other in white box enclostre


Ex Input:
Sentence: 'a large sky scrapper building with a clock on it'. Replace the letter 'n' with 'u' in the sentence.

Ex Output:

a large sky scrapper buildiug with a clock ou it