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

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: 'a chocolate cake decorated with strawberries on the side'. Replace the letter 'c' with 'x' in the sentence.

Ex Output:
a xhoxolate xake dexorated with strawberries on the side


Ex Input:
Sentence: 'an old one story house with a large garden clock in front of it'. Replace the letter 'g' with 'o' in the sentence.

Ex Output:

an old one story house with a laroe oarden clock in front of it