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

Input: Consider Input: Sentence: 'a man is on a bed with a cat and laptop computer'. Replace the letter 'e' with 'n' in the sentence.

Output: a man is on a bnd with a cat and laptop computnr

Input: Consider Input: Sentence: 'commuter trains on tracks next to paved platform'. Replace the letter 'm' with 'w' in the sentence.

Output: cowwuter trains on tracks next to paved platforw

Input: Consider Input: Sentence: 'toy train riding tracks around house and a car'. Replace the letter 'h' with 'c' in the sentence.
Output: toy train riding tracks around couse and a car