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 kitchen in the midst of renovation is missing it's back-splash and lower cabinetry doors and drawers'. Replace the letter 'a' with 'g' in the sentence.

Output: g kitchen in the midst of renovgtion is missing it's bgck-splgsh gnd lower cgbinetry doors gnd drgwers


Input: Consider Input: Sentence: 'a dog laying in front of a horses stall with the horse peeking over the half door'. Replace the letter 'a' with 'b' in the sentence.


Output: b dog lbying in front of b horses stbll with the horse peeking over the hblf door