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

Ex Input:
Sentence: 'a double decker bus stopped outside a station on a street'. Replace the letter 'c' with 'y' in the sentence.

Ex Output:
a double deyker bus stopped outside a station on a street

Ex Input:
Sentence: 'a plate topped with a bacon and broccoli salad'. Replace the letter 'o' with 't' in the sentence.

Ex Output:
a plate ttpped with a bactn and brtcctli salad

Ex Input:
Sentence: 'the small scissors are on top of a wallet which is on a flowered tablecloth'. Replace the letter 'o' with 'e' in the sentence.

Ex Output:
the small scissers are en tep ef a wallet which is en a flewered tablecleth