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

Input: Consider Input: Sentence: 'a cat is watching a computer with a video of a cat'. Replace the letter 't' with 'a' in the sentence.

Output: a caa is waaching a compuaer wiah a video of a caa

Input: Consider Input: Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.

Output: a no parkinl siln next to a car ridinl down a street

Input: Consider Input: Sentence: 'two slices of pizza on a white plate'. Replace the letter 'z' with 'p' in the sentence.
Output: two slices of pippa on a white plate