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

Ex Input:
Sentence: 'a bunch of giraffe stand around on a dirt covered area'. Replace the letter 'e' with 'p' in the sentence.

Ex Output:
a bunch of giraffp stand around on a dirt covprpd arpa


Ex Input:
Sentence: 'this is a bathroom found in a hotel'. Replace the letter 'h' with 's' in the sentence.

Ex Output:
tsis is a batsroom found in a sotel


Ex Input:
Sentence: 'a tennis player hitting a tennis ball with a racket'. Replace the letter 't' with 'n' in the sentence.

Ex Output:

a nennis player hinning a nennis ball winh a racken