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

Ex Input:
Sentence: 'a piece of chocolate cake is on a plate with a fork'. Replace the letter 'e' with 's' in the sentence.

Ex Output:
a piscs of chocolats caks is on a plats with a fork


Ex Input:
Sentence: 'a guy looking at a tennis ball with a goofy look'. Replace the letter 'a' with 'x' in the sentence.

Ex Output:
x guy looking xt x tennis bxll with x goofy look


Ex Input:
Sentence: 'a blue laptop is next to a small television screen'. Replace the letter 'o' with 'm' in the sentence.

Ex Output:

a blue laptmp is next tm a small televisimn screen