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

Input: Consider Input: Sentence: 'a group of people are using their laptops in the dark'. Replace the letter 'p' with 'b' in the sentence.

Output: a groub of beoble are using their labtobs in the dark


Input: Consider Input: Sentence: 'a shower, toilet and sink are highlights in this clean bathroom'. Replace the letter 'e' with 'd' in the sentence.

Output: a showdr, toildt and sink ard highlights in this cldan bathroom


Input: Consider Input: Sentence: 'a number of zebras standing close together in a field'. Replace the letter 'n' with 'u' in the sentence.


Output: a uumber of zebras staudiug close together iu a field