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

Ex Input:
Sentence: 'this refrigerator is covered in stickers on it'. Replace the letter 't' with 'h' in the sentence.

Ex Output:
hhis refrigerahor is covered in shickers on ih

Ex Input:
Sentence: 'a laptop computer attached to a large monitor'. Replace the letter 'a' with 'r' in the sentence.

Ex Output:
r lrptop computer rttrched to r lrrge monitor

Ex Input:
Sentence: 'a plate filled with assorted meats and some bread'. Replace the letter 'a' with 'h' in the sentence.

Ex Output:
h plhte filled with hssorted mehts hnd some brehd