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

Ex Input:
Sentence: 'a person holding on to a black remote'. Replace the letter 'n' with 'h' in the sentence.

Ex Output:
a persoh holdihg oh to a black remote


Ex Input:
Sentence: 'a blue and white train is coming down some tracks'. Replace the letter 'b' with 'u' in the sentence.

Ex Output:
a ulue and white train is coming down some tracks


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