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

Ex Input:
Sentence: 'the kitchen counter has a pitcher of lime juice'. Replace the letter 'h' with 'p' in the sentence.

Ex Output:
tpe kitcpen counter pas a pitcper of lime juice

Ex Input:
Sentence: 'three men playing in a men's doubles tennis match'. Replace the letter 'e' with 'l' in the sentence.

Ex Output:
thrll mln playing in a mln's doublls tlnnis match

Ex Input:
Sentence: 'young men in jeans skateboarding on concrete steps'. Replace the letter 'a' with 'p' in the sentence.

Ex Output:
young men in jepns skpteboprding on concrete steps