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

Ex Input:
Sentence: 'a group of people play a video game in a living room'. Replace the letter 'p' with 'u' in the sentence.

Ex Output:
a grouu of ueoule ulay a video game in a living room


Ex Input:
Sentence: 'a toaster oven painted on the side of a wall'. Replace the letter 'e' with 'p' in the sentence.

Ex Output:
a toastpr ovpn paintpd on thp sidp of a wall


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

Ex Output:

a groub of beoble are using their labtobs in the dark