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

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

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


Ex Input:
Sentence: 'a teddy bear dressed in denim is laying on a floor'. Replace the letter 'i' with 'd' in the sentence.

Ex Output:
a teddy bear dressed dn dendm ds laydng on a floor


Ex Input:
Sentence: 'a view of a bed from across the room, it has a tv tray on it'. Replace the letter 'v' with 'd' in the sentence.

Ex Output:

a diew of a bed from across the room, it has a td tray on it