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

Input: Consider Input: Sentence: 'batter is twisted up as he took a swing at the baseball'. Replace the letter 'h' with 'i' in the sentence.

Output: batter is twisted up as ie took a swing at tie baseball

Input: Consider Input: Sentence: 'a mouse and keyboard sitting on a wooden desk'. Replace the letter 'a' with 'n' in the sentence.

Output: n mouse nnd keybonrd sitting on n wooden desk

Input: Consider Input: Sentence: 'a kitchen sink with a toaster sitting next to it on the counter'. Replace the letter 'x' with 'a' in the sentence.
Output: a kitchen sink with a toaster sitting neat to it on the counter