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

Ex Input:
Sentence: 'a painting of scissors going to cut a chain with a lock'. Replace the letter 'g' with 'v' in the sentence.

Ex Output:
a paintinv of scissors voinv to cut a chain with a lock


Ex Input:
Sentence: 'a baseball player swings his bat at a pitch'. Replace the letter 's' with 'l' in the sentence.

Ex Output:
a baleball player lwingl hil bat at a pitch


Ex Input:
Sentence: 'nobody is working in the office right now'. Replace the letter 'n' with 'g' in the sentence.

Ex Output:

gobody is workigg ig the office right gow