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

Ex Input:
Sentence: 'a study table with computer, mouse and keyboard .photo frame are also kept'. Replace the letter 'u' with 'q' in the sentence.

Ex Output:
a stqdy table with compqter, moqse and keyboard .photo frame are also kept


Ex Input:
Sentence: 'a bathroom that has  a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

Ex Output:
a bathroom that haa  a aink and a toilet


Ex Input:
Sentence: 'a person next to a giraffe with its tongue out'. Replace the letter 'i' with 'm' in the sentence.

Ex Output:

a person next to a gmraffe wmth mts tongue out