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

Ex Input:
Sentence: 'lots of luggage is jammed into the back compartment of a van'. Replace the letter 'o' with 'h' in the sentence.

Ex Output:
lhts hf luggage is jammed inth the back chmpartment hf a van


Ex Input:
Sentence: 'a man on a surfboard riding on the waters waves'. Replace the letter 's' with 'k' in the sentence.

Ex Output:
a man on a kurfboard riding on the waterk wavek


Ex Input:
Sentence: 'two people swinging baseball bats in front of a building'. Replace the letter 'p' with 'h' in the sentence.

Ex Output:

two heohle swinging baseball bats in front of a building