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

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 fire hydrant and a rolled up fire hose'. Replace the letter 'd' with 's' in the sentence.

Ex Output:
a fire hysrant ans a rolles up fire hose


Ex Input:
Sentence: 'several people ride across the water in a white boat'. Replace the letter 'e' with 'g' in the sentence.

Ex Output:

sgvgral pgoplg ridg across thg watgr in a whitg boat