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

Ex Input:
Sentence: 'this is a tennis player getting ready to serve the ball'. Replace the letter 'h' with 'y' in the sentence.

Ex Output:
tyis is a tennis player getting ready to serve tye ball


Ex Input:
Sentence: 'a woman sitting in front of a laptop computer'. Replace the letter 'u' with 'o' in the sentence.

Ex Output:
a woman sitting in front of a laptop compoter


Ex Input:
Sentence: 'a bathroom with two sinks, a bathtub and mirrors'. Replace the letter 'w' with 'z' in the sentence.

Ex Output:

a bathroom zith tzo sinks, a bathtub and mirrors