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

Ex Input:
Sentence: 'a bathroom with a make shift shower curtain'. Replace the letter 'w' with 's' in the sentence.

Ex Output:
a bathroom sith a make shift shoser curtain

Ex Input:
Sentence: 'a man in blazer holding a tie over his eyes'. Replace the letter 's' with 'e' in the sentence.

Ex Output:
a man in blazer holding a tie over hie eyee

Ex Input:
Sentence: 'the living room has been decorated for christmas time'. Replace the letter 'e' with 'k' in the sentence.

Ex Output:
thk living room has bkkn dkcoratkd for christmas timk