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

Ex Input:
Sentence: 'a teddy bear playing a drum and a teddy bear playing a guitar'. Replace the letter 'd' with 'm' in the sentence.

Ex Output:
a temmy bear playing a mrum anm a temmy bear playing a guitar


Ex Input:
Sentence: 'this is a man and boy holding skis'. Replace the letter 'h' with 'l' in the sentence.

Ex Output:
tlis is a man and boy lolding skis


Ex Input:
Sentence: 'an umpire behind a batter hitting a ball at a baseball game'. Replace the letter 'g' with 'a' in the sentence.

Ex Output:

an umpire behind a batter hittina a ball at a baseball aame