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

Ex Input:
Sentence: 'a bathroom with a white toilet next to a large window'. Replace the letter 'w' with 'x' in the sentence.

Ex Output:
a bathroom xith a xhite toilet next to a large xindox


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 baseball player getting ready to swing at the next pitch'. Replace the letter 'b' with 'a' in the sentence.

Ex Output:

a aaseaall player getting ready to swing at the next pitch