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

Ex Input:
Sentence: 'a small dog in the back compartment of a backpack'. Replace the letter 'c' with 'd' in the sentence.

Ex Output:
a small dog in the badk dompartment of a badkpadk


Ex Input:
Sentence: 'a long green grain traveling past a white building'. Replace the letter 'w' with 'o' in the sentence.

Ex Output:
a long green grain traveling past a ohite building


Ex Input:
Sentence: 'a man is looking at a large pizza at a table'. Replace the letter 'a' with 'j' in the sentence.

Ex Output:

j mjn is looking jt j ljrge pizzj jt j tjble