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

Ex Input:
Sentence: 'a black cat is sniffing a glass bottle'. Replace the letter 'c' with 'f' in the sentence.

Ex Output:
a blafk fat is sniffing a glass bottle


Ex Input:
Sentence: 'a man eats food that is inside a banana peel'. Replace the letter 'n' with 'k' in the sentence.

Ex Output:
a mak eats food that is ikside a bakaka peel


Ex Input:
Sentence: 'potted plants near a park and trees'. Replace the letter 'e' with 'x' in the sentence.

Ex Output:

pottxd plants nxar a park and trxxs