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

Ex Input:
Sentence: 'bags of seeds with a pair of black scissors sitting on them'. Replace the letter 'b' with 'y' in the sentence.

Ex Output:
yags of seeds with a pair of ylack scissors sitting on them


Ex Input:
Sentence: 'a gray and white cat sleeping on top of a laptop computer'. Replace the letter 'l' with 'g' in the sentence.

Ex Output:
a gray and white cat sgeeping on top of a gaptop computer


Ex Input:
Sentence: 'two tennis players are doubled in their pursuit of the two tennis balls'. Replace the letter 'p' with 'd' in the sentence.

Ex Output:

two tennis dlayers are doubled in their dursuit of the two tennis balls