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

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

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


Ex Input:
Sentence: 'one wall in the room is flanked by a lovely piece of furniture which displays several object d'art'. Replace the letter 'n' with 'z' in the sentence.

Ex Output:
oze wall iz the room is flazked by a lovely piece of furziture which displays several object d'art


Ex Input:
Sentence: 'a tennis player swinging a racket on a court'. Replace the letter 'a' with 'g' in the sentence.

Ex Output:

g tennis plgyer swinging g rgcket on g court